[
  {
    "path": "README.md",
    "content": "# ML System Design Case Studies Repository\n\n## Description\n\nWelcome to the ML System Design Case Studies Repository! This repository is a comprehensive collection of 300+ case studies from over 80 leading companies, showcasing practical applications and insights into machine learning (ML) system design. Companies like Netflix, Airbnb, and Doordash have shared their experiences, providing a valuable resource for anyone interested in learning how ML is used to improve products and processes.\n\n---\n\n## 🌐 **Featured Resource: <a href=\"https://horizonx.live\" target=\"_blank\" rel=\"noopener noreferrer\">HorizonX.live</a>**\n\n> **Supercharge your Research journey with <a href=\"https://horizonx.live\" target=\"_blank\" rel=\"noopener noreferrer\">HorizonX.live</a> — the all-in-one platform for all your research needs.**\n\n- 🔍 **Search & Explore**: Instantly find trending ML papers, code, and datasets.\n- 🗂️ **Personalized Libraries**: Save, organize, and annotate your favorite research.\n- 📝 **Interactive Paper Summaries**: Concise, easy-to-digest summaries for each paper.\n## 🚀 Upcoming Features\n\nWe are continuously working to enhance this resource! Here are some exciting features coming soon:\n\n### 🌟 Upcoming Features\n\n- <span style=\"color: #39FF14; font-size: 1.2em; vertical-align: middle;\">&#x1F7E2;</span> **Context-Aware Literature Engine**  \n  Speed up your literature review with AI that understands your research context.\n\n- **🤖 AI-Powered Brainstorming Engine**  \n  Collaborate with your intelligent assistant to spark, shape, and elevate breakthrough ideas.\n\n- **🛠️ Low-Code Data Analysis**  \n  Transform raw data into publication-ready charts and insights—no coding required.\n\n- **👥 Real-Time Collaboration**  \n  Google Docs meets research-grade Overleaf for seamless teamwork.\n\n- **🔗 Unified Knowledge Nexus**  \n  A single intelligent workspace that connects your ideas, insights, and research tools.\n\n- **📚 Automated Citation Manager**  \n  Intelligent reference management system for effortless citations.\n\n- **📝 Smart Formatting Assistant**  \n  Journal compliance made effortless.\n\n- **🔍 Pre-Publication Quality Check**  \n  Your 24/7 peer review partner for manuscript quality assurance.\n\n- **💻 On-Demand HPC Access**  \n  Computing power without the setup headaches.\n\n*Stay tuned for these updates and feel free to suggest features or contribute!*\n\n**Try it now:** <a href=\"https://horizonx.live\" target=\"_blank\" rel=\"noopener noreferrer\">https://horizonx.live</a>\n\n---\n\n\n### Features\n\n- **Wide Range of Industries**: Explore case studies from various industries such as tech, finance, healthcare, and more.\n- **Diverse ML Applications**: Learn about different ML use cases, including computer vision (CV), natural language processing (NLP), recommender systems, search and ranking, fraud detection, and many more.\n- **Product Features**: Discover how ML powers specific user-facing features, from grammatical error correction to generating outfit combinations.\n\n### Why This Resource is Valuable\n\n- **Authentic and In-depth**: Each case study is sourced from detailed blogs, papers, or articles about ML systems developed in-house, providing genuine and firsthand insights.\n- **Practical Applications**: The studies cover real-world ML systems that are actively used in production, offering practical and proven examples.\n- **Focused and Detailed**: The case studies focus on specific ML use cases, providing clear and comprehensive information on the target users, model designs, evaluation criteria, and deployment architectures.\n\n### How to Use\n\n- **Short Description**: Use the discription to quickly find case studies relevant to your interests.\n- **Explore and Learn**: Dive into the detailed descriptions and implementations to gain a deeper understanding of ML system design.\n- **Share and Collaborate**: If you find the database helpful, spread the word and contribute to the repository by suggesting new case studies.\n\n## Enjoy exploring the wealth of knowledge in these case studies and enhance your understanding of machine learning system design!\n\n# Real-world ML systems\n|   Index | Company              | Industry                                  | Description (< 5 words)                                       | Title                                                                                                                                                                                                                                                                              |   Year |\n|--------:|:---------------------|:------------------------------------------|:--------------------------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------:|\n|       1 | Stripe               | Fintech and banking                       | Prevent fraudelent transactions                               | [How we built it: Stripe Radar](https://stripe.com/blog/how-we-built-it-stripe-radar)                                                                                                                                                                                              |   2023 |\n|       2 | Walmart              | E-commerce and retail                     | Recommend complementary items                                 | [Personalized ‘Complete the Look’ model](https://medium.com/walmartglobaltech/personalized-complete-the-look-model-ea093aba0b73)                                                                                                                                                   |   2023 |\n|       3 | Uber                 | Delivery and mobility                     | Forecast demand for airport rides                             | [Demand and ETR Forecasting at Airports](https://www.uber.com/en-GB/blog/demand-and-etr-forecasting-at-airports/)                                                                                                                                                                  |   2023 |\n|       4 | Pinterest            | Social platforms                          | Prevent advertiser churn                                      | [An ML based approach to proactive advertiser churn prevention](https://medium.com/pinterest-engineering/an-ml-based-approach-to-proactive-advertiser-churn-prevention-3a7c0c335016)                                                                                               |   2023 |\n|       5 | Stitch Fix           | E-commerce and retail                     | Generate ad headlines                                         | [A New Era of Creativity: Expert-in-the-loop Generative AI at Stitch Fix](https://multithreaded.stitchfix.com/blog/2023/03/06/expert-in-the-loop-generative-ai-at-stitch-fix/)                                                                                                     |   2023 |\n|       6 | Swiggy               | Delivery and mobility                     | Recommend items to order                                      | [Building a mind reader at Swiggy using Data Science](https://bytes.swiggy.com/building-a-mind-reader-at-swiggy-using-data-science-5a5c38aa6c17)                                                                                                                                   |   2023 |\n|       7 | Microsoft            | Tech                                      | Diagnose production incidents with LLM                        | [Large-language models for automatic cloud incident management](https://www.microsoft.com/en-us/research/blog/large-language-models-for-automatic-cloud-incident-management/)                                                                                                      |   2023 |\n|       8 | Foodpanda            | Delivery and mobility                     | Optimize menu sorting order                                   | [Menu Ranking](https://medium.com/foodpanda-data/menu-ranking-422ad21f381e)                                                                                                                                                                                                        |   2023 |\n|       9 | Zillow               | E-commerce and retail                     | Estimate the house market value                               | [Building the Neural Zestimate](https://www.zillow.com/tech/building-the-neural-zestimate/)                                                                                                                                                                                        |   2023 |\n|      10 | Airbnb               | Travel,E-commerce and retail              | Identify user interests                                       | [Prioritizing Home Attributes Based on Guest Interest](https://medium.com/airbnb-engineering/prioritizing-home-attributes-based-on-guest-interest-3c49b827e51a)                                                                                                                    |   2023 |\n|      11 | GitHub               | Tech                                      | Generate code and code suggestions                            | [Inside GitHub: Working with the LLMs behind GitHub Copilot](https://github.blog/2023-05-17-inside-github-working-with-the-llms-behind-github-copilot/)                                                                                                                            |   2023 |\n|      12 | DoorDash             | Delivery and mobility                     | Optimize courier waiting time                                 | [Lifecycle of a Successful ML Product: Reducing Dasher Wait Times](https://doordash.engineering/2023/02/15/lifecycle-of-a-successful-ml-product-reducing-dasher-wait-times/)                                                                                                       |   2023 |\n|      13 | Linkedin             | Social platforms                          | Select best payment gateway                                   | [Improving the customer’s experience via ML-driven payment routing](https://engineering.linkedin.com/blog/2023/improving-the-customer-s-experience-via-ml-driven-payment-routin)                                                                                                   |   2023 |\n|      14 | Wayfair              | E-commerce and retail                     | Predict delivery times                                        | [Delivery-Date Prediction](https://www.aboutwayfair.com/careers/tech-blog/delivery-date-prediction)                                                                                                                                                                                |   2023 |\n|      15 | Linkedin             | Social platforms                          | Detect viral spam                                             | [Viral spam content detection at LinkedIn](https://engineering.linkedin.com/blog/2023/viral-spam-content-detection-at-linkedin)                                                                                                                                                    |   2023 |\n|      16 | Lyft                 | Delivery and mobility                     | Recommend content in app                                      | [The Recommendation System at Lyft](https://eng.lyft.com/the-recommendation-system-at-lyft-67bc9dcc1793)                                                                                                                                                                           |   2023 |\n|      17 | Honeycomb            | Tech                                      | Generate queries with natural language                        | [All the Hard Stuff Nobody Talks About when Building Products with LLMs](https://www.honeycomb.io/blog/hard-stuff-nobody-talks-about-llm)                                                                                                                                          |   2023 |\n|      18 | Zalando              | E-commerce and retail                     | Forecast demand in fashion e-commerce                         | [Deep Learning based Forecasting: a case study from the online fashion industry](https://arxiv.org/abs/2305.14406)                                                                                                                                                                 |   2023 |\n|      19 | Etsy                 | E-commerce and retail                     | Recommend relevant marketplace items                          | [How We Built a Multi-Task Canonical Ranker for Recommendations at Etsy](https://www.etsy.com/uk/codeascraft/how-we-built-a-multi-task-canonical-ranker-for-recommendations-at-etsy)                                                                                               |   2023 |\n|      20 | Yelp                 | Social platforms                          | Organize e-commerce content using embeddings                  | [Yelp Content As Embeddings](https://engineeringblog.yelp.com/2023/04/yelp-content-as-embeddings.html)                                                                                                                                                                             |   2023 |\n|      21 | Monzo                | Fintech and banking                       | Select relevant marketing messages                            | [Optimising marketing messages for Monzo users](https://medium.com/data-monzo/optimising-marketing-messages-for-monzo-users-3fe805f24572)                                                                                                                                          |   2023 |\n|      22 | Monzo                | Fintech and banking                       | Detect patterns in text data                                  | [Using topic modelling to understand customer saving goals](https://medium.com/data-monzo/using-topic-modelling-to-understand-customer-saving-goals-2bb06f00ce2d)                                                                                                                  |   2023 |\n|      23 | Wayfair              | E-commerce and retail                     | Predict new product’s sales potential                         | [How Wayfair uses “Predicted Winners” Models to Accelerate Success for New Products](https://www.aboutwayfair.com/careers/tech-blog/how-wayfair-uses-predicted-winners-models-to-accelerate-success-for-new-products)                                                              |   2023 |\n|      24 | Airbnb               | Travel,E-commerce and retail              | Personalized listing search                                   | [Learning To Rank Diversely](https://medium.com/airbnb-engineering/learning-to-rank-diversely-add6b1929621)                                                                                                                                                                        |   2023 |\n|      25 | Twitter              | Social platforms                          | Recommend interesting tweets                                  | [Twitter's Recommendation Algorithm](https://blog.twitter.com/engineering/en_us/topics/open-source/2023/twitter-recommendation-algorithm )                                                                                                                                         |   2023 |\n|      26 | DoorDash             | Delivery and mobility                     | Predict if a store is open                                    | [How DoorDash Upgraded a Heuristic with ML to Save Thousands of Canceled Orders](https://doordash.engineering/2023/01/10/how-doordash-upgraded-a-heuristic-with-ml-to-save-thousands-of-canceled-orders/)                                                                          |   2023 |\n|      27 | Wayfair              | E-commerce and retail                     | Identify business customers                                   | [Hamlet: Wayfair's ML Approach to Identifying Business Shopper](https://www.aboutwayfair.com/careers/tech-blog/hamlet)                                                                                                                                                             |   2023 |\n|      28 | Wayfair              | E-commerce and retail                     | Detect fraud with embeddings                                  | [Introducing Melange: A Customer Journey Embedding System for Improving Fraud and Policy Abuse Detection](https://www.aboutwayfair.com/careers/tech-blog/introducing-melange-a-customer-journey-embedding-system-for-improving-fraud-and-scam-detection)                           |   2023 |\n|      29 | Airbnb               | Travel,E-commerce and retail              | Improve travel search experience                              | [Building Airbnb Categories with ML & Human in the Loop](https://medium.com/airbnb-engineering/building-airbnb-categories-with-ml-human-in-the-loop-35b78a837725)                                                                                                                  |   2023 |\n|      30 | Spotify              | Media and streaming                       | Automatically generate ad content                             | [How We Automated Content Marketing to Acquire Users at Scale](https://engineering.atspotify.com/2023/11/how-we-automated-content-marketing-to-acquire-users-at-scale/)                                                                                                            |   2023 |\n|      31 | Instacart            | E-commerce and retail                     | Predict availability of food items                            | [How Instacart Modernized the Prediction of Real Time Availability for Hundreds of Millions of Items While Saving Costs](https://tech.instacart.com/how-instacart-modernized-the-prediction-of-real-time-availability-for-hundreds-of-millions-of-items-59b2a82c89fe)              |   2023 |\n|      32 | Linkedin             | Social platforms                          | Personalize the homepage feed                                 | [Enhancing homepage feed relevance by harnessing the power of large corpus sparse ID embeddings](https://engineering.linkedin.com/blog/2023/enhancing-homepage-feed-relevance-by-harnessing-the-power-of-lar)                                                                      |   2023 |\n|      33 | Doordash             | Delivery and mobility                     | Forecast order volumes and deliveries                         | [How DoorDash Built an Ensemble Learning Model for Time Series Forecasting](https://doordash.engineering/2023/06/20/how-doordash-built-an-ensemble-learning-model-for-time-series-forecasting/)                                                                                    |   2023 |\n|      34 | Expedia              | Travel,E-commerce and retail              | Forecast flight prices                                        | [Using Synthetic Search Data for Flights Price Forecasting](https://medium.com/expedia-group-tech/using-synthetic-search-data-for-flights-price-forecasting-4cf3277afdaf)                                                                                                          |   2023 |\n|      35 | Nextdoor             | Social platforms                          | Generate engaging email subject lines                         | [Let AI Entertain You: Increasing User Engagement with Generative AI and Rejection Sampling](https://engblog.nextdoor.com/let-ai-entertain-you-increasing-user-engagement-with-generative-ai-and-rejection-sampling-50a402264f56)                                                  |   2023 |\n|      36 | Criteo               | Tech                                      | Figure out users' preferences                                 | [Recommender systems need a user model](https://medium.com/criteo-engineering/recommender-systems-need-a-user-model-c3b3790311bf)                                                                                                                                                  |   2023 |\n|      37 | Apple                | Tech                                      | Identify objects on images                                    | [Fast Class-Agnostic Salient Object Segmentation](https://machinelearning.apple.com/research/salient-object-segmentation)                                                                                                                                                          |   2023 |\n|      38 | Zillow               | E-commerce and retail                     | Identify and block unwanted callers                           | [SpectroBrain: Detecting Phone Spam with Semi-Supervised Learning](https://www.zillow.com/tech/spectrobrain-detecting-phone-spam-with-semi-supervised-learning/)                                                                                                                   |   2023 |\n|      39 | Algolia              | Tech                                      | Suggest relevant search queries                               | [Feature Spotlight: Query Suggestions](https://www.algolia.com/blog/product/feature-spotlight-query-suggestions/)                                                                                                                                                                  |   2023 |\n|      40 | Netflix              | Media and streaming                       | In-video search                                               | [Building In-Video Search](https://netflixtechblog.com/building-in-video-search-936766f0017c)                                                                                                                                                                                      |   2023 |\n|      41 | Grab                 | Delivery and mobility,Banking and finance | Automatically tag sensitive data                              | [LLM-powered data classification for data entities at scale](https://engineering.grab.com/llm-powered-data-classification)                                                                                                                                                         |   2023 |\n|      42 | Doordash             | Delivery and mobility                     | Accurately forecast demand during holidays                    | [How DoorDash Improves Holiday Predictions via Cascade ML Approach](https://doordash.engineering/2023/08/31/how-doordash-improves-holiday-predictions-via-cascade-ml-approach/)                                                                                                    |   2023 |\n|      43 | Netflix              | Media and streaming                       | Personalize video clips                                       | [The Next Step in Personalization: Dynamic Sizzles](https://netflixtechblog.com/the-next-step-in-personalization-dynamic-sizzles-4dc4ce2011ef)                                                                                                                                     |   2023 |\n|      44 | BlaBlaCar            | Delivery and mobility                     | Prevent phishing and payment fraud                            | [How we used machine learning to fight fraud at BlaBlaCar — Part 1](https://medium.com/blablacar/how-we-used-machine-learning-to-fight-fraud-at-blablacar-part-1-3b976c9dcdf6)                                                                                                     |   2023 |\n|      45 | Instacart            | E-commerce and retail                     | Personalize user experience by recommending relevant products | [Using Contextual Bandit models in large action spaces at Instacart](https://tech.instacart.com/using-contextual-bandit-models-in-large-action-spaces-at-instacart-cb7ab4d8fa4f)                                                                                                   |   2023 |\n|      46 | Pinterest            | Social platforms                          | Recommend similar visual content                              | [Training Foundation Improvements for Closeup Recommendation Ranker](https://medium.com/pinterest-engineering/training-foundation-improvements-for-closeup-recommendation-ranker-67d90603426e)                                                                                     |   2023 |\n|      47 | Spotify              | Media and streaming                       | Recommend new complementary music                             | [Spotify Track Neural Recommender System](https://medium.com/stanford-cs224w/spotify-track-neural-recommender-system-51d266e31e16)                                                                                                                                                 |   2023 |\n|      48 | Meta                 | Social platforms                          | Generate code with LLM                                        | [Introducing Code Llama, a state-of-the-art large language model for coding](https://ai.meta.com/blog/code-llama-large-language-model-coding/)                                                                                                                                     |   2023 |\n|      49 | Grammarly            | Tech                                      | Suggest gender-inclusive grammatical error corrections        | [Improving the Performance of NLP Systems on the Gender-Neutral “They”](https://arxiv.org/abs/2306.07415)                                                                                                                                                                          |   2023 |\n|      50 | Netflix              | Media and streaming                       | Detect speech and music in audio                              | [Detecting Speech and Music in Audio Content](https://netflixtechblog.com/detecting-speech-and-music-in-audio-content-afd64e6a5bf8)                                                                                                                                                |   2023 |\n|      51 | Salesforce           | Tech                                      | Extract relevant information from a knowledge article         | [Resolve Cases Quickly with Interactive Einstein Search Answers](https://blog.salesforceairesearch.com/einstein-search-answers/)                                                                                                                                                   |   2023 |\n|      52 | Etsy                 | E-commerce and retail                     | Show relevant ads                                             | [Leveraging Real-Time User Actions to Personalize Etsy Ads](https://arxiv.org/pdf/2302.01255.pdf)                                                                                                                                                                                  |   2023 |\n|      53 | GitHub               | Tech                                      | AI copilot for code generation                                | [How to build an enterprise LLM application: Lessons from GitHub Copilot](https://github.blog/2023-09-06-how-to-build-an-enterprise-llm-application-lessons-from-github-copilot/)                                                                                                  |   2023 |\n|      54 | Uber                 | Delivery and mobility                     | Detect potential fraudulent entities                          | [Risk Entity Watch – Using Anomaly Detection to Fight Fraud](https://www.uber.com/en-IN/blog/risk-entity-watch/?uclick_id=9c4355d3-795f-4b1d-b18e-4b8b4c8ed29f)                                                                                                                    |   2023 |\n|      55 | Expedia              | Travel,E-commerce and retail              | Predict Customer Lifetime Value (CLV)                         | [Expedia Group’s Customer Lifetime Value Prediction Model](https://medium.com/expedia-group-tech/expedia-groups-customer-lifetime-value-prediction-model-7927cdd44342)                                                                                                             |   2023 |\n|      56 | Dailymotion          | Media and streaming                       | Recommend diversified video content                           | [Reinvent your recommender system using Vector Database and Opinion Mining](https://medium.com/dailymotion/reinvent-your-recommender-system-using-vector-database-and-opinion-mining-a4fadf97d020)                                                                                 |   2023 |\n|      57 | Swiggy               | Delivery and mobility                     | Predict food delivery time                                    | [Where is my order? — Part I](https://bytes.swiggy.com/how-ml-powers-when-is-my-order-coming-part-i-4ef24eae70da)                                                                                                                                                                  |   2023 |\n|      58 | Swiggy               | Delivery and mobility                     | Сonversational and open-ended search                          | [Swiggy’s Generative AI Journey: A Peek Into the Future](https://bytes.swiggy.com/swiggys-generative-ai-journey-a-peek-into-the-future-2193c7166d9a)                                                                                                                               |   2023 |\n|      59 | New York Times       | Media and streaming                       | Recommend recipes to readers                                  | [How The New York Times Cooking Team Makes Personalized Recipe Recommendations](https://open.nytimes.com/how-the-new-york-times-cooking-team-makes-personalized-recipe-recommendations-7b86df9b22ec)                                                                               |   2023 |\n|      60 | Expedia              | Travel,E-commerce and retail              | Suggest diverse travel recommendations                        | [Generating Diverse Travel Recommendations](https://medium.com/expedia-group-tech/generating-diverse-travel-recommendations-76688f49c812)                                                                                                                                          |   2023 |\n|      61 | Stitch Fix           | E-commerce and retail                     | Personalize styling recommendations                           | [Accelerating AI: Implementing Multi-GPU Distributed Training for Personalized Recommendations](https://multithreaded.stitchfix.com/blog/2023/06/08/distributed-model-training/)                                                                                                   |   2023 |\n|      62 | Doordash             | Delivery and mobility                     | Areas for using Generative AI                                 | [DoorDash identifies Five big areas for using Generative AI](https://doordash.engineering/2023/04/26/doordash-identifies-five-big-areas-for-using-generative-ai/)                                                                                                                  |   2023 |\n|      63 | Etsy                 | E-commerce and retail                     | Search by image                                               | [From Image Classification to Multitask Modeling: Building Etsy’s Search by Image Feature](https://www.etsy.com/codeascraft/from-image-classification-to-multitask-modeling-building-etsys-search-by-image-feature)                                                                |   2023 |\n|      64 | Spotify              | Media and streaming                       | Generate audio podcast previews                               | [Large-Scale Generation of ML Podcast Previews at Spotify with Google Dataflow](https://engineering.atspotify.com/2023/04/large-scale-generation-of-ml-podcast-previews-at-spotify-with-google-dataflow/)                                                                          |   2023 |\n|      65 | Delivery Hero        | Delivery and mobility                     | Better understand user behavior                               | [Personalisation @ Delivery Hero: Understanding Customers](https://tech.deliveryhero.com/personalisation-at-delivery-hero-understanding-customers/)                                                                                                                                |   2023 |\n|      66 | Swiggy               | Delivery and mobility                     | Predict food delivery time                                    | [Predicting Food Delivery Time at Cart](https://bytes.swiggy.com/predicting-food-delivery-time-at-cart-cda23a84ba63)                                                                                                                                                               |   2023 |\n|      67 | Netflix              | Media and streaming                       | Generate content recommendations for users                    | [Lessons Learnt From Consolidating ML Models in a Large Scale Recommendation System](https://netflixtechblog.medium.com/lessons-learnt-from-consolidating-ml-models-in-a-large-scale-recommendation-system-870c5ea5eb4a )                                                          |   2023 |\n|      68 | Linkedin             | Social platforms                          | Show relevant jobs in search                                  | [How LinkedIn Is Using Embeddings to Up Its Match Game for Job Seekers](https://engineering.linkedin.com/blog/2023/how-linkedin-is-using-embeddings-to-up-its-match-game-for-job-se)                                                                                               |   2023 |\n|      69 | Expedia              | Travel,E-commerce and retail              | Alert users about optimal deals                               | [Increasing Travelers’ Engagement Through Price Alerts](https://medium.com/expedia-group-tech/increasing-travelers-engagement-through-relevant-price-alerts-at-expedia-group-75aa6a377864)                                                                                         |   2023 |\n|      70 | Walmart              | E-commerce and retail                     | Resolve entities and detect relationships                     | [Exploring an Entity Resolution Framework Across Various Use Cases](https://medium.com/walmartglobaltech/exploring-an-entity-resolution-framework-across-various-use-cases-cb172632e4ae)                                                                                           |   2023 |\n|      71 | Thoughtworks         | Tech                                      | AI copilot for product strategy                               | [Building Boba AI](https://martinfowler.com/articles/building-boba.html)                                                                                                                                                                                                           |   2023 |\n|      72 | Grab                 | Delivery and mobility,Banking and finance | Automatically detect new fraud types                          | [Unsupervised graph anomaly detection - Catching new fraudulent behaviours](https://engineering.grab.com/graph-anomaly-model)                                                                                                                                                      |   2023 |\n|      73 | Dropbox              | Tech                                      | Identify date formats in file names                           | [Is this a date? Using ML to identify date formats in file names](https://dropbox.tech/machine-learning/using-ml-to-identify-date-formats-in-file-names)                                                                                                                           |   2023 |\n|      74 | Grab                 | Delivery and mobility,Banking and finance | Сreate scalable lookalike audiences                           | [Stepping up marketing for advertisers: Scalable lookalike audience](https://engineering.grab.com/scalable-lookalike-audiences)                                                                                                                                                    |   2023 |\n|      75 | Wayfair              | E-commerce and retail                     | Send relevant communications to customers                     | [Griffin: How Wayfair Leverages Reinforcement Learning to Send Customers Relevant Communications](https://www.aboutwayfair.com/careers/tech-blog/griffin-how-wayfair-leverages-reinforcement-learning-to-send-customers-relevant-communications)                                   |   2023 |\n|      76 | Whatnot              | E-commerce and retail                     | Detect marketplace spam                                       | [How Whatnot Utilizes Generative AI to Enhance Trust and Safety](https://medium.com/whatnot-engineering/how-whatnot-utilizes-generative-ai-to-enhance-trust-and-safety-c7968eb6315e)                                                                                               |   2023 |\n|      77 | Instacart            | E-commerce and retail                     | Predict grocery item availability                             | [How Instacart’s Item Availability Evolved Over the Pandemic](https://www.instacart.com/company/how-its-made/how-instacarts-item-availability-evolved-over-the-pandemic/)                                                                                                          |   2023 |\n|      78 | Instacart            | E-commerce and retail                     | Predict availability of food items                            | [Instacart’s Item Availability Architecture: Solving for scale and consistency](https://tech.instacart.com/instacarts-item-availability-architecture-solving-for-scale-and-consistency-f5661acb20a6)                                                                               |   2023 |\n|      79 | BlaBlaCar            | Delivery and mobility                     | Prevent phishing and payment fraud                            | [How we built our machine learning pipeline to fight fraud at BlaBlaCar — Part 2](https://medium.com/blablacar/how-we-built-our-machine-learning-pipeline-to-fight-fraud-at-blablacar-part-2-476335f459b4)                                                                         |   2023 |\n|      80 | Salesforce           | Tech                                      | Summarize Slack conversations                                 | [AI Summarist: Get Your Time Back on Slack, Boost Productivity & Focus, Personalize Information Consumption](https://blog.salesforceairesearch.com/ai-summarist-slack-productivity)                                                                                                |   2023 |\n|      81 | Meta                 | Social platforms                          | Show users relevant content at scale                          | [Scaling the Instagram Explore recommendations system](https://engineering.fb.com/2023/08/09/ml-applications/scaling-instagram-explore-recommendations-system/)                                                                                                                    |   2023 |\n|      82 | Delivery Hero        | Delivery and mobility                     | Recommend restaurants for new customers                       | [Personalisation @ Delivery Hero: Ranking restaurants for new users](https://tech.deliveryhero.com/personalisation-delivery-hero-ranking-restaurants-for-new-users/)                                                                                                               |   2023 |\n|      83 | Swiggy               | Delivery and mobility                     | Predict food delivery time                                    | [How ML Powers — When is my order coming? — Part II](https://bytes.swiggy.com/how-ml-powers-when-is-my-order-coming-part-ii-eae83575e3a9)                                                                                                                                          |   2023 |\n|      84 | Salesforce           | Tech                                      | Recommend apps in the marketplace                             | [On the Diversity and Explainability of Enterprise App Recommendation Systems](https://blog.salesforceairesearch.com/diversity-explainability-enterprise-app-recommendation-systems/)                                                                                              |   2023 |\n|      85 | Grab                 | Delivery and mobility,Banking and finance | Optimize promotional campaigns                                | [Scaling marketing for merchants with targeted and intelligent promos](https://engineering.grab.com/scaling-marketing-for-merchants)                                                                                                                                               |   2023 |\n|      86 | GitHub               | Tech                                      | Automated code reviews and PR tagging                         | [Generative AI-enabled compliance for software development](https://github.blog/2023-04-11-generative-ai-enabled-compliance-for-software-development)                                                                                                                              |   2023 |\n|      87 | Delivery Hero        | Delivery and mobility                     | Recommend restaurants                                         | [Don’t Worry, We Got You: Personalised Model](https://tech.deliveryhero.com/dont-worry-we-got-you-personalised-model-2/)                                                                                                                                                           |   2023 |\n|      88 | OLX                  | E-commerce and retail                     | Predict order delivery time                                   | [Machine Learning for Delivery Time Estimation](https://tech.olx.com/machine-learning-for-delivery-time-estimation-1-591c8df849a0)                                                                                                                                                 |   2023 |\n|      89 | Spotify              | Media and streaming                       | Target in-app messaging                                       | [Experimenting with Machine Learning to Target In-App Messaging](https://engineering.atspotify.com/2023/06/experimenting-with-machine-learning-to-target-in-app-messaging/)                                                                                                        |   2023 |\n|      90 | Nubank               | Fintech and banking                       | Automatically route customer phone calls                      | [Presenting Precog, Nubank’s Real Time Event AI](https://building.nubank.com.br/presenting-precog-nubanks-real-time-event-ai/)                                                                                                                                                     |   2023 |\n|      91 | Instacart            | E-commerce and retail                     | Build an internal AI assistant                                | [Scaling Productivity with Ava — Instacart’s Internal AI Assistant](https://tech.instacart.com/scaling-productivity-with-ava-instacarts-internal-ai-assistant-ed7f02558d84)                                                                                                        |   2023 |\n|      92 | Meta                 | Social platforms                          | Translate and transcribe across speech and text               | [Bringing the world closer together with a foundational multimodal model for speech translation](https://ai.meta.com/blog/seamless-m4t/)                                                                                                                                           |   2023 |\n|      93 | Vimeo                | Media and streaming                       | Customer support AI assistant                                 | [From idea to reality: Elevating our customer support through generative AI](https://medium.com/vimeo-engineering-blog/from-idea-to-reality-elevating-our-customer-support-through-generative-ai-101a2c5ea680)                                                                     |   2023 |\n|      94 | Ebay                 | E-commerce and retail                     | Recommend relevant e-commerce items                           | [Building a Deep Learning Based Retrieval System for Personalized Recommendations](https://tech.ebayinc.com/engineering/building-a-deep-learning-based-retrieval-system-for-personalized-recommendations/)                                                                         |   2022 |\n|      95 | Mercado Libre        | Delivery and mobility                     | Predict product dimensions for delivery                       | [Predicting package dimensions based on a similarity model at Mercado Libre](https://medium.com/mercadolibre-tech/predicting-package-dimensions-based-on-a-similarity-model-at-mercado-libre-d64a9dd4351d)                                                                         |   2022 |\n|      96 | Doordash             | Delivery and mobility                     | Recommend substitute items                                    | [Evolving DoorDash’s Substitution Recommendations Algorithm](https://doordash.engineering/2022/09/08/evolving-doordashs-substitution-recommendations-algorithm/)                                                                                                                   |   2022 |\n|      97 | Pinterest            | Social platforms                          | Personalize homepage contents                                 | [How Pinterest Leverages Realtime User Actions in Recommendation to Boost Homefeed Engagement Volume](https://medium.com/pinterest-engineering/how-pinterest-leverages-realtime-user-actions-in-recommendation-to-boost-homefeed-engagement-volume-165ae2e8cde8 )                  |   2022 |\n|      98 | Instacart            | Delivery and mobility                     | Search food and grocery items                                 | [How Instacart Uses Embeddings to Improve Search Relevance](https://tech.instacart.com/how-instacart-uses-embeddings-to-improve-search-relevance-e569839c3c36)                                                                                                                     |   2022 |\n|      99 | Walmart              | E-commerce and retail                     | Assist in e-commerce shopping                                 | [A Unified Multi-task Model for Supporting Multiple Virtual Assistants in Walmart](https://medium.com/walmartglobaltech/a-unified-multi-task-model-for-supporting-multiple-virtual-assistants-in-walmart-2b077c2c96e)                                                              |   2022 |\n|     100 | Spotify              | Media and streaming                       | Search for podcasts                                           | [Introducing Natural Language Search for Podcast Episodes](https://engineering.atspotify.com/2022/03/introducing-natural-language-search-for-podcast-episodes/)                                                                                                                    |   2022 |\n|     101 | Nextdoor             | Social platforms                          | Predict harmful comments                                      | [Using predictive technology to foster constructive conversations](https://engblog.nextdoor.com/using-predictive-technology-to-foster-constructive-conversations-4af437942bd4)                                                                                                     |   2022 |\n|     102 | Walmart              | E-commerce and retail                     | Fill shopping cart via voice dialog                           | [Voice Reorder Experience: add Multiple Product Items to your shopping cart](https://medium.com/walmartglobaltech/voice-reorder-experience-add-multiple-product-items-to-your-shopping-cart-59d20fc61797)                                                                          |   2022 |\n|     103 | Expedia              | Travel,E-commerce and retail              | Categorize customer feedback                                  | [Categorising Customer Feedback Using Unsupervised Learning](https://medium.com/expedia-group-tech/categorising-customer-feedback-using-unsupervised-learning-8608c1e62d48)                                                                                                        |   2022 |\n|     104 | Foodpanda            | Delivery and mobility                     | Classify restaurants and cuisines                             | [Classifying restaurant cuisines with subjective labels](https://medium.com/foodpanda-data/classifying-restaurant-cuisines-with-subjective-labels-fa10012d18a9 )                                                                                                                   |   2022 |\n|     105 | Ebay                 | Social platforms                          | Recommend products and content                                | [Multi-Relevance Ranking Model for Similar Item Recommendation](https://tech.ebayinc.com/engineering/multi-relevance-ranking-model-for-similar-item-recommendation/)                                                                                                               |   2022 |\n|     106 | Gousto               | Delivery and mobility                     | Predict subscription churn                                    | [Using Data Science to Retain Customers](https://medium.com/gousto-engineering-techbrunch/using-data-science-to-retain-customers-63f19a03a0b6)                                                                                                                                     |   2022 |\n|     107 | Google               | Tech                                      | Generate summaries                                            | [Auto-generated Summaries in Google Docs](https://ai.googleblog.com/2022/03/auto-generated-summaries-in-google-docs.html)                                                                                                                                                          |   2022 |\n|     108 | Yelp                 | Social platforms                          | Personalize recommendations                                   | [Beyond Matrix Factorization: Using hybrid features for user-business recommendations](https://engineeringblog.yelp.com/2022/04/beyond-matrix-factorization-using-hybrid-features-for-user-business-recommendations.html)                                                          |   2022 |\n|     109 | PayPal               | Fintech and banking                       | Prioritize sales leads                                        | [Sales Pipeline Management with Machine Learning: A Lightweight Two-Layer Ensemble Classifier Framework](https://medium.com/paypal-tech/sales-pipeline-management-with-machine-learning-15398bab913b)                                                                              |   2022 |\n|     110 | Grubhub              | Delivery and mobility                     | Forecast order volume                                         | [Forecasting Grubhub Order Volume At Scale](https://bytes.grubhub.com/forecasting-grubhub-order-volume-at-scale-a966c2f901d2)                                                                                                                                                      |   2022 |\n|     111 | Github               | Tech                                      | Detect vulnerabilities in code                                | [Leveraging machine learning to find security vulnerabilities](https://github.blog/2022-02-17-leveraging-machine-learning-find-security-vulnerabilities/)                                                                                                                          |   2022 |\n|     112 | Uber                 | Delivery and mobility                     | Detect payment fraud                                          | [Project RADAR: Intelligent Early Fraud Detection System with Humans in the Loop](https://www.uber.com/en-GB/blog/project-radar-intelligent-early-fraud-detection/)                                                                                                                |   2022 |\n|     113 | Gojek                | Delivery and mobility                     | Predict food delivery times                                   | [How We Estimate Food Debarkation Time With 'Tensoba'](https://www.gojek.io/blog/food-debarkation-tensoba)                                                                                                                                                                         |   2022 |\n|     114 | Uber                 | Delivery and mobility                     | Predict estimated time of arrival                             | [DeepETA: How Uber Predicts Arrival Times Using Deep Learning](https://www.uber.com/en-GB/blog/deepeta-how-uber-predicts-arrival-times/)                                                                                                                                           |   2022 |\n|     115 | Trivago              | Travel,E-commerce and retail              | Optimize accommodation ranking                                | [Explore-exploit dilemma in Ranking model](https://tech.trivago.com/post/2022-11-04-explore-exploit-dilemma-in-ranking-model)                                                                                                                                                      |   2022 |\n|     116 | Gousto               | Delivery and mobility                     | Recommend food items and recipes                              | [Gousto R-series Vol 2: Tackling the Cold-Start Problem in Recipe Recommendation Engine](https://medium.com/gousto-engineering-techbrunch/gousto-r-series-vol-2-tackling-the-cold-start-problem-in-recipe-recommendation-engine-af92a434805f)                                      |   2022 |\n|     117 | Spotify              | Media and streaming                       | Forecast user activity metrics                                | [How We Built Infrastructure to Run User Forecasts at Spotify](https://engineering.atspotify.com/2022/06/how-we-built-infrastructure-to-run-user-forecasts-at-spotify/ )                                                                                                           |   2022 |\n|     118 | Google               | Tech                                      | Summarize conversations                                       | [Conversation Summaries in Google Chat](https://ai.googleblog.com/2022/11/conversation-summaries-in-google-chathtml)    |   2022 |                                                                                                                                                           |        |\n|     119 | Airbnb               | Travel,E-commerce and retail              | Improve travel search experience                              | [Building Airbnb Categories with ML and Human-in-the-Loop](https://medium.com/airbnb-engineering/building-airbnb-categories-with-ml-and-human-in-the-loop-e97988e70ebb)                                                                                                            |   2022 |\n|     120 | Uber                 | Delivery and mobility                     | Send timely push notifications                                | [How Uber Optimizes the Timing of Push Notifications using ML and Linear Programming](https://www.uber.com/en-US/blog/how-uber-optimizes-push-notifications-using-ml/)                                                                                                             |   2022 |\n|     121 | Meta                 | Social platforms                          | Personalize daily digest notifications                        | [Improving Instagram notification management with machine learning and causal inference](https://engineering.fb.com/2022/10/31/ml-applications/instagram-notification-management-machine-learning/)                                                                                |   2022 |\n|     122 | Instacart            | Delivery and mobility                     | Recommend relevant food items                                 | [Personalizing Recommendations for a Learning User](https://www.instacart.com/company/how-its-made/personalizing-recommendations-for-a-learning-user/)                                                                                                                             |   2022 |\n|     123 | Expedia              | Travel,E-commerce and retail              | Rank relevant travel deals                                    | [How to Optimise Rankings with Cascade Bandits](https://medium.com/expedia-group-tech/how-to-optimise-rankings-with-cascade-bandits-5d92dfa0f16b)                                                                                                                                  |   2022 |\n|     124 | Doordash             | Delivery and mobility                     | Personalize recommendations on homepage                       | [Homepage Recommendation with Exploitation and Exploration](https://doordash.engineering/2022/10/05/homepage-recommendation-with-exploitation-and-exploration/)                                                                                                                    |   2022 |\n|     125 | Linkedin             | Social platforms                          | Improve post search functionality                             | [Improving Post Search at LinkedIn](https://engineering.linkedin.com/blog/2022/improving-post-search-at-linkedin)                                                                                                                                                                  |   2022 |\n|     126 | Artefact             | Tech                                      | Evaluate success of past promotions                           | [Forecasting something that never happened: how we estimated past promotions profitability](https://medium.com/artefact-engineering-and-data-science/forecasting-something-that-never-happened-how-we-estimated-past-promotions-profitability-5f55cfa1d477)                        |   2022 |\n|     127 | Doordash             | Delivery and mobility                     | Find high-value merchants                                     | [Building the Model Behind DoorDash’s Expansive Merchant Selection](https://doordash.engineering/2022/04/19/building-merchant-selection/)                                                                                                                                          |   2022 |\n|     128 | Grammarly            | Tech                                      | Suggest text edits                                            | [Under the Hood of the Grammarly Editor, Part Two: How Suggestions Work](https://www.grammarly.com/blog/engineering/how-suggestions-work-grammarly-editor/)                                                                                                                        |   2022 |\n|     129 | Amazon               | Media and streaming                       | Suggest music to listen to                                    | [The Amazon Music conversational recommender is hitting the right notes](https://www.amazon.science/latest-news/how-amazon-music-uses-recommendation-system-machine-learning)                                                                                                      |   2022 |\n|     130 | Snap                 | Social platforms                          | Rank relevant ads                                             | [Machine Learning for Snapchat Ad Ranking](https://eng.snap.com/machine-learning-snap-ad-ranking)                                                                                                                                                                                  |   2022 |\n|     131 | Instacart            | E-commerce and retail                     | Autocomplete user searches in e-commerce                      | [How Instacart Uses Machine Learning-Driven Autocomplete to Help People Fill Their Carts](https://tech.instacart.com/how-instacart-uses-machine-learning-driven-autocomplete-to-help-people-fill-their-carts-9bc56d22bafb)                                                         |   2022 |\n|     132 | Zillow               | E-commerce and retail                     | Select tags for product listings                              | [Helping Home Shoppers Find a Home to Love Through Home Insights](https://www.zillow.com/tech/helping-shoppers-find-a-home-using-home-insights/)                                                                                                                                   |   2022 |\n|     133 | Netflix              | Media and streaming                       | Detect account or content fraud                               | [Machine Learning for Fraud Detection in Streaming Services](https://netflixtechblog.medium.com/machine-learning-for-fraud-detection-in-streaming-services-b0b4ef3be3f6)                                                                                                           |   2022 |\n|     134 | Airbnb               | Travel,E-commerce and retail              | Improve customer support                                      | [How AI Text Generation Models Are Reshaping Customer Support at Airbnb](https://medium.com/airbnb-engineering/how-ai-text-generation-models-are-reshaping-customer-support-at-airbnb-a851db0b4fa3)                                                                                |   2022 |\n|     135 | Linkedin             | Social platforms                          | Predict churn and upsell products                             | [The journey to build an explainable AI-driven recommendation system](https://engineering.linkedin.com/blog/2022/the-journey-to-build-an-explainable-ai-driven-recommendation-sys)                                                                                                 |   2022 |\n|     136 | Autotrader           | E-commerce and retail                     | Personalize automotive search results                         | [Real-Time Personalisation of Search Results with Auto Trader's Customer Data Platform](https://engineering.autotrader.co.uk/2022/11/23/real-time-personalisation-of-search-results-with-auto-traders-customer-data-platform.html)                                                 |   2022 |\n|     137 | Peloton              | Tech                                      | Recommend fitness training videos                             | [How We Built: An Early-Stage Machine Learning Model for Recommendations](https://www.onepeloton.com/press/articles/how-we-built-machine-learning)                                                                                                                                 |   2022 |\n|     138 | Walmart              | E-commerce and retail                     | Categorize e-commerce products                                | [Semantic Label Representation with an Application on Multimodal Product Categorization](https://medium.com/walmartglobaltech/semantic-label-representation-with-an-application-on-multimodal-product-categorization-63d668b943b7)                                                 |   2022 |\n|     139 | Doordash             | Delivery and mobility                     | Search food and grocery items                                 | [3 Changes to Expand DoorDash’s Product Search Beyond Delivery](https://doordash.engineering/2022/05/10/3-changes-to-expand-doordashs-product-search/)                                                                                                                             |   2022 |\n|     140 | Faire                | E-commerce and retail                     | Rank e-commerce items (feature store)                         | [Real-time ranking at Faire part 2: the feature store](https://craft.faire.com/real-time-ranking-at-faire-part-2-the-feature-store-3f1013d3fe5d)                                                                                                                                   |   2022 |\n|     141 | New York Times       | Media and streaming                       | Personalize paywall limits                                    | [How The New York Times Uses Machine Learning To Make Its Paywall Smarter](https://open.nytimes.com/how-the-new-york-times-uses-machine-learning-to-make-its-paywall-smarter-e5771d5f46f8)                                                                                         |   2022 |\n|     142 | Linkedin             | Social platforms                          | Predict ad click-through rate                                 | [Challenges and practical lessons from building a deep-learning-based ads CTR prediction model](https://engineering.linkedin.com/blog/2022/challenges-and-practical-lessons-from-building-a-deep-learning-b)                                                                       |   2022 |\n|     143 | Zillow               | E-commerce and retail                     | Identify customers that are likely to convert                 | [Identifying High-Intent Buyers](https://www.zillow.com/tech/identifying-high-intent-buyers/)       |   2022 |                                                                                                                                                                                                               |        |\n|     144 | Netflix              | Media and streaming                       | Recommend content to view                                     | [Reinforcement Learning for Budget Constrained Recommendations](https://netflixtechblog.com/reinforcement-learning-for-budget-constrained-recommendations-6cbc5263a32a)                                                                                                            |   2022 |\n|     145 | Walmart              | E-commerce and retail                     | Forecast anomalies in refrigeration                           | [Forecast Anomalies in Refrigeration with PySpark & Sensor-data](https://medium.com/walmartglobaltech/forecast-anomalies-in-refrigeration-with-pyspark-sensor-data-195f23ae24e2)                                                                                                   |   2022 |\n|     146 | Stitch Fix           | E-commerce and retail                     | Recommend e-commerce items                                    | [Client Time Series Model: a Multi-Target Recommender System based on Temporally-Masked Encoders](https://multithreaded.stitchfix.com/blog/2022/10/14/client-time-series-model/)                                                                                                   |   2022 |\n|     147 | Gojek                | Delivery and mobility                     | Predict estimated time of delivery                            | [How We Estimate Food Debarkation Time With ‘Tensoba’](https://medium.com/gojekengineering/how-we-estimate-food-debarkation-time-with-tensoba-da05674cb758)                                                                                                                        |   2022 |\n|     148 | Zillow               | E-commerce and retail                     | Extract text features                                         | [Incorporating Listing Descriptions into the Zestimate](https://www.zillow.com/tech/incorporating-listing-descriptions-into-the-zestimate/)                                                                                                                                        |   2022 |\n|     149 | Etsy                 | E-commerce and retail                     | Rank marketplace search results                               | [Deep Learning for Search Ranking at Etsy](https://www.etsy.com/uk/codeascraft/deep-learning-for-search-ranking-at-etsy)                                                                                                                                                           |   2022 |\n|     150 | Walmart              | E-commerce and retail                     | Curate e-commerce product recommendations                     | [Scaling Product Recommendations using Basket Analysis- Part 1](https://medium.com/walmartglobaltech/scaling-product-recommendations-using-basket-analysis-part-1-8434d4f8756f)                                                                                                    |   2022 |\n|     151 | Lyft                 | Delivery and mobility                     | Optimize trip price                                           | [Pricing at Lyft](https://eng.lyft.com/pricing-at-lyft-8a4022065f8b)                                                                                                                                                                                                               |   2022 |\n|     152 | Grammarly            | Tech                                      | Correct grammatical errors                                    | [Innovating the Basics: Achieving Superior Precision and Recall in Grammatical Error Correction](https://www.grammarly.com/blog/engineering/innovating-the-basics/)                                                                                                                |   2022 |\n|     153 | Twitter              | Social platforms                          | Recommend accounts to follow                                  | [Model-based candidate generation for account recommendations](https://blog.twitter.com/engineering/en_us/topics/insights/2022/model-based-candidate-generation-for-account-recommendations)                                                                                       |   2022 |\n|     154 | Airbnb               | Travel,E-commerce and retail              | Improve customer travel experience                            | [Intelligent Automation Platform: Empowering Conversational AI and Beyond at Airbnb](https://medium.com/airbnb-engineering/intelligent-automation-platform-empowering-conversational-ai-and-beyond-at-airbnb-869c44833ff2)                                                         |   2022 |\n|     155 | Swiggy               | Delivery and mobility                     | Flag incorrectly captured locations                           | [Using deep learning to detect dissonance between address text and location](https://bytes.swiggy.com/using-deep-learning-to-detect-dissonance-between-address-text-and-location-4b228bc2c3fb)                                                                                     |   2022 |\n|     156 | Uber                 | Delivery and mobility                     | Verify documents                                              | [Uber’s Real-Time Document Check](https://www.uber.com/en-GB/blog/ubers-real-time-document-check/)                                                                                                                                                                                 |   2022 |\n|     157 | Wayfair              | E-commerce and retail                     | Optimize email sending time and frequency                     | [Nightingale: Scalable Daily Sales Email Sending Decision Model](https://www.aboutwayfair.com/careers/tech-blog/nightingale-scalable-daily-email-sending-decision-model)                                                                                                           |   2022 |\n|     158 | Didact AI            | Fintech and banking                       | Predict stock prices                                          | [Didact AI: The anatomy of an ML-powered stock picking engine](https://principiamundi.com/posts/didact-anatomy)                                                                                                                                                                    |   2022 |\n|     159 | Wayfair              | E-commerce and retail                     | Identify specific entities within a text                      | [Wayfair’s New Approach to Aspect Based Sentiment Analysis Helps Customers Easily Find “Long Tail” Products](https://www.aboutwayfair.com/careers/tech-blog/wayfairs-new-approach-to-aspect-based-sentiment-analysis-helps-customers-easily-find-long-tail-products)               |   2022 |\n|     160 | Oda                  | Delivery and mobility                     | Predict driver's non-driving time                             | [How we went from zero insight to predicting service time with a machine learning model — Part 2/2](https://medium.com/oda-product-tech/how-we-went-from-zero-insight-to-predicting-service-time-with-a-machine-learning-model-part-2-2-ad8b0c3e4838)                              |   2022 |\n|     161 | Wayfair              | E-commerce and retail                     | Predict intent in customer support messages                   | [Building Wayfair’s First Virtual Assistant: Automating Customer Service by Text Based Intent Prediction](https://www.aboutwayfair.com/careers/tech-blog/building-wayfairs-first-virtual-assistant-automating-customer-service-by-text-based-intent-prediction)                    |   2022 |\n|     162 | Linkedin             | Social platforms                          | Estimate the impact of product changes                        | [Ocelot: Scaling observational causal inference at LinkedIn](https://engineering.linkedin.com/blog/2022/ocelot--scaling-observational-causal-inference-at-linkedin)                                                                                                                |   2022 |\n|     163 | Grab                 | Delivery and mobility,Banking and finance | Detect fraud with graph models                                | [Graph for fraud detection](https://engineering.grab.com/graph-for-fraud-detection)                                                                                                                                                                                                |   2022 |\n|     164 | Lyft                 | Delivery and mobility                     | Make causally valid forecasts                                 | [Causal Forecasting at Lyft (Part 1)](https://eng.lyft.com/causal-forecasting-at-lyft-part-1-14cca6ff3d6d)                                                                                                                                                                         |   2022 |\n|     165 | Glassdoor            | Social platforms                          | Recommend interesting posts to users                          | [Personalized Fishbowl Recommendations with Learned Embeddings: Part 2](https://medium.com/glassdoor-engineering/personalized-fishbowl-recommendations-with-learned-embeddings-part-2-78a16b04d396)                                                                                |   2022 |\n|     166 | Netflix              | Media and streaming                       | Improve video quality at scale                                | [For your eyes only: improving Netflix video quality with neural networks](https://netflixtechblog.com/for-your-eyes-only-improving-netflix-video-quality-with-neural-networks-5b8d032da09c)                                                                                       |   2022 |\n|     167 | Glassdoor            | Social platforms                          | Recommend interesting posts to users                          | [Personalized Fishbowl Recommendations with Learned Embeddings: Part 1](https://medium.com/glassdoor-engineering/personalized-fishbowl-recommendations-with-learned-embeddings-part-1-6031abe84661)                                                                                |   2022 |\n|     168 | Dailymotion          | Media and streaming                       | Recommend diversified video content                           | [Optimizing video feed recommendations with diversity: Machine Learning first steps](https://medium.com/dailymotion/optimizing-video-feed-recommendations-with-diversity-machine-learning-first-steps-4cf9abdbbffd)                                                                |   2022 |\n|     169 | Siemens Healthineers | Tech                                      | Optimize software testing                                     | [Using Machine Learning for Fast Test Feedback to Developers and Test Suite Optimization](https://www.infoq.com/articles/machine-learning-test-feedback-optimization/)                                                                                                             |   2022 |\n|     170 | Lyft                 | Delivery and mobility                     | Make causally valid forecasts                                 | [Causal Forecasting at Lyft (Part 2)](https://eng.lyft.com/causal-forecasting-at-lyft-part-2-418f1febca5a)                                                                                                                                                                         |   2022 |\n|     171 | Linkedin             | Social platforms                          | Deliver more relevant job recommendations                     | [Improving job matching with machine-learned activity features](https://engineering.linkedin.com/blog/2022/improving-job-matching-with-machine-learned-activity-features-)                                                                                                         |   2022 |\n|     172 | Cookidoo             | E-commerce and retail                     | Personalize recipe recommendations                            | [Building A Recipe Recommender System For the Thermomix on Cookidoo – Part 1](https://www.alexanderthamm.com/de/blog/building-a-recipe-recommender-system-for-the-thermomix-on-cookidoo/)                                                                                          |   2022 |\n|     173 | Linkedin             | Social platforms                          | Improve ML model performance with multitask learning          | [Applying multitask learning to AI models at LinkedIn](https://engineering.linkedin.com/blog/2022/applying-multitask-learning-to-ai-models-at-linkedin)                                                                                                                            |   2022 |\n|     174 | Netflix              | Media and streaming                       | Apply causality in experiments and marketing                  | [A Survey of Causal Inference Applications at Netflix](https://netflixtechblog.com/a-survey-of-causal-inference-applications-at-netflix-b62d25175e6f)                                                                                                                              |   2022 |\n|     175 | Pinterest            | Social platforms                          | Recommend bids for advertizers                                | [Advertiser Recommendation Systems at Pinterest](https://medium.com/pinterest-engineering/advertiser-recommendation-systems-at-pinterest-ccb255fbde20)                                                                                                                             |   2021 |\n|     176 | Grubhub              | Delivery and mobility                     | Forecast volume order                                         | [“I See Tacos In Your Future”: Order Volume Forecasting at Grubhub](https://bytes.grubhub.com/i-see-tacos-in-your-future-order-volume-forecasting-at-grubhub-44d47ad08d5b)                                                                                                         |   2021 |\n|     177 | Slack                | Tech                                      | Detect spam invites                                           | [Blocking Slack Invite Spam With Machine Learning](https://slack.engineering/blocking-slack-invite-spam-with-machine-learning/)                                                                                                                                                    |   2021 |\n|     178 | Faire                | E-commerce and retail                     | Search and navigate marketplace items                         | [Building Faire’s new marketplace ranking infrastructure](https://craft.faire.com/building-faires-new-marketplace-ranking-infrastructure-a53bf938aba0)                                                                                                                             |   2021 |\n|     179 | Doordash             | E-commerce and retail                     | Predict delivery supply and demand                            | [Managing Supply and Demand Balance Through Machine Learning](https://doordash.engineering/2021/06/29/managing-supply-and-demand-balance-through-machine-learning/)                                                                                                                |   2021 |\n|     180 | OLX                  | E-commerce and retail                     | Recommend e-commerce items                                    | [Item2Vec: Neural Item Embeddings to enhance recommendations](https://tech.olx.com/item2vec-neural-item-embeddings-to-enhance-recommendations-1fd948a6f293)                                                                                                                        |   2021 |\n|     181 | Dropbox              | Tech                                      | Search by image content                                       | [How image search works at Dropbox](https://dropbox.tech/machine-learning/how-image-search-works-at-dropbox)                                                                                                                                                                       |   2021 |\n|     182 | Scribd               | Media and streaming                       | Extract metadata from documents                               | [Information Extraction at Scribd](https://tech.scribd.com/blog/2021/information-extraction-at-scribd.html)                                                                                                                                                                        |   2021 |\n|     183 | Microsoft            | Tech                                      | Rank customer support cases                                   | [ML and customer support (Part 1): Using Machine Learning to enable world-class customer support](https://medium.com/data-science-at-microsoft/ml-and-customer-support-part-1-using-machine-learning-to-enable-world-class-customer-support-c90b3b02f6a3)                          |   2021 |\n|     184 | Stitch Fix           | E-commerce and retail                     | Recommend e-commerce inventory                                | [Algorithm-Assisted Inventory Curation ](https://multithreaded.stitchfix.com/blog/2021/05/12/algorithm-assisted-inventory-curation/)                   |   2021 |                                                                                                                                                                   |        |\n|     185 | Twitter              | Social platforms                          | Forecast resource usage and cost                              | [Forecasting SQL query resource usage with machine learning](https://blog.twitter.com/engineering/en_us/topics/insights/2021/forecasting-sql-query-resource-usage-with-machine-learning)                                                                                           |   2021 |\n|     186 | Google               | Tech                                      | Suggest past photos to look at                                | [A snapshot of AI-powered reminiscing in Google Photos](https://medium.com/people-ai-research/a-snapshot-of-ai-powered-reminiscing-in-google-photos-5a05d2f2aa46)                                                                                                                  |   2021 |\n|     187 | Uber                 | Delivery and mobility                     | Identify cash intermediaries                                  | [Applying Machine Learning in Internal Audit with Sparsely Labeled Data](https://www.uber.com/en-GB/blog/ml-internal-audit/)                                                                                                                                                       |   2021 |\n|     188 | Microsoft            | Tech                                      | Cluster customer support issues by similarity                 | [ML and customer support (Part 2): Leveraging topic modeling to identify the top investment areas in support cases](https://medium.com/data-science-at-microsoft/ml-and-customer-support-part-2-leveraging-topic-modeling-to-identify-the-top-investment-areas-in-f0348382c251)    |   2021 |\n|     189 | Gousto               | Delivery and mobility                     | Recommend food items and recipes                              | [Gousto R-series vol 1: Three tales of the Rouxcommender family](https://medium.com/gousto-engineering-techbrunch/gousto-r-series-vol-1-three-tales-of-the-rouxcommender-family-a3555a93edea)                                                                                      |   2021 |\n|     190 | Apple                | Tech                                      | Recognize people in photos                                    | [Recognizing People in Photos Through Private On-Device Machine Learning](https://machinelearning.apple.com/research/recognizing-people-photos)                                                                                                                                    |   2021 |\n|     191 | Pinterest            | Social platforms                          | Find lookalike users for ad targeting                         | [The machine learning behind delivering relevant ads](https://medium.com/pinterest-engineering/the-machine-learning-behind-delivering-relevant-ads-8987fc5ba1c0)                                                                                                                   |   2021 |\n|     192 | Pinterest            | Social platforms                          | Detect spam users                                             | [Fighting Spam using Clustering and Automated Rule Creation](https://medium.com/pinterest-engineering/fighting-spam-using-clustering-and-automated-rule-creation-1c01d8c11a05)                                                                                                     |   2021 |\n|     193 | PayPal               | Fintech and banking                       | Detect payment fraud                                          | [Deploying Large-scale Fraud Detection Machine Learning Models at PayPal](https://medium.com/paypal-tech/machine-learning-model-ci-cd-and-shadow-platform-8c4f44998c78)                                                                                                            |   2021 |\n|     194 | Datto                | Tech                                      | Predict hard drive failures                                   | [Predicting Hard Drive Failure with Machine Learning](https://datto.engineering/post/predicting-hard-drive-failure-with-machine-learning)                                                                                                                                          |   2021 |\n|     195 | Bumble               | Social platforms                          | Detect rude messages                                          | [Multilingual message content moderation at scale (part 2)](https://medium.com/bumble-tech/multilingual-message-content-moderation-at-scale-7ea562e29e25)                                                                                                                          |   2021 |\n|     196 | Nextdoor             | Social platforms                          | Send relevant and timely updates                              | [Nextdoor Notifications: How we use ML to keep neighbors informed](https://engblog.nextdoor.com/nextdoor-notifications-how-we-use-ml-to-keep-neighbors-informed-57d8f707aab0?gi=85c7ad8c8658)                                                                                      |   2021 |\n|     197 | Dropbox              | Tech                                      | Identify best time for renewal charge                         | [Optimizing payments with machine learning](https://dropbox.tech/machine-learning/optimizing-payments-with-machine-learning)                                                                                                                                                       |   2021 |\n|     198 | Swiggy               | Delivery and mobility                     | Rank restaurants in search                                    | [Learning To Rank Restaurants](https://bytes.swiggy.com/learning-to-rank-restaurants-c6a69ba4b330)                                                                                                                                                                                 |   2021 |\n|     199 | Brex                 | Fintech and banking                       | Classify bank transactions                                    | [How We Built a (Mostly) Automated System to Solve Credit Card Merchant Classification](https://medium.com/brexeng/how-we-built-a-mostly-automated-system-to-solve-credit-card-merchant-classification-f9108029e59b)                                                               |   2021 |\n|     200 | Grammarly            | Tech                                      | Capture what readers pay attention to                         | [ATTN: How Grammarly’s NLP/ML Team Figured Out Where Readers Focus in an Email](https://www.grammarly.com/blog/engineering/readers-attention/)                                                                                                                                     |   2021 |\n|     201 | Doordash             | Delivery and mobility                     | Extract information from images                               | [How DoorDash Quickly Spins Up Multiple Image Recognition Use Cases](https://doordash.engineering/2021/11/03/how-doordash-quickly-spins-up-multiple-image-recognition-use-cases/)                                                                                                  |   2021 |\n|     202 | Apple                | Tech                                      | Identify best user experience                                 | [Interpretable Adaptive Optimization](https://machinelearning.apple.com/research/interpretable-adaptive-optimization)                                                                                                                                                              |   2021 |\n|     203 | Airbnb               | Travel,E-commerce and retail              | Data privacy and security                                     | [Automating Data Protection at Scale, Part 2](https://medium.com/airbnb-engineering/automating-data-protection-at-scale-part-2-c2b8d2068216)                                                                                                                                       |   2021 |\n|     204 | Capital One          | Fintech and banking                       | Identify suspicious account activity                          | [How Machine Learning Can Help Fight Money Laundering](https://www.capitalone.com/tech/machine-learning/how-machine-learning-can-help-fight-money-laundering/)                                                                                                                     |   2021 |\n|     205 | Wayfair              | E-commerce and retail                     | Assign color names to products                                | [From RGB to Descriptive Color Names: Wayfair's in-house color algorithms to improve customer shopping experience.](https://www.aboutwayfair.com/careers/tech-blog/from-rgb-to-descriptive-color-names-wayfairs-in-house-color-algorithms-to-improve-customer-shopping-experience) |   2021 |\n|     206 | Capital One          | Fintech and banking                       | Automate incident management                                  | [Automated detection, diagnosis & remediation of app failure](https://www.capitalone.com/tech/machine-learning/automated-detection-diagnosis-remediation-of-application-failure/)                                                                                                  |   2021 |\n|     207 | Pinterest            | Social platforms                          | Detect policy-violating comments                              | [How Pinterest powers a healthy comment ecosystem with machine learning](https://medium.com/pinterest-engineering/how-pinterest-powers-a-healthy-comment-ecosystem-with-machine-learning-9e5c3414c8ad)                                                                             |   2021 |\n|     208 | Spotify              | Media and streaming                       | Personalize homepage content (podcasts, playlist, music)      | [The Rise (and Lessons Learned) of ML Models to Personalize Content on Home (Part I)](https://engineering.atspotify.com/2021/11/the-rise-and-lessons-learned-of-ml-models-to-personalize-content-on-home-part-i/)                                                                  |   2021 |\n|     209 | Stitch Fix           | E-commerce and retail                     | Recommend looks                                               | [Stitching together spaces for query-based recommendations](https://multithreaded.stitchfix.com/blog/2021/08/13/stitching-together-spaces-for-query-based-recommendations/)                                                                                                        |   2021 |\n|     210 | Ocado                | E-commerce and retail                     | Forecast e-commerce grocery demand                            | [Finding the sweet spot](https://careers.ocadogroup.com/blogs/careers-blogs/our-technologies/finding-the-sweet-spot)                                                                                                                                                               |   2021 |\n|     211 | Walmart              | E-commerce and retail                     | Categorize e-commerce products                                | [Deep Learning: Product Categorization and Shelving](https://medium.com/walmartglobaltech/deep-learning-product-categorization-and-shelving-630571e81e96)                                                                                                                          |   2021 |\n|     212 | Walmart              | E-commerce and retail                     | Recommend learning content                                    | [Mozrt, a Deep Learning Recommendation System Empowering Walmart Store Associates with a Personalized Learning Experience](https://medium.com/walmartglobaltech/mozrt-a-deep-learning-recommendation-system-empowering-walmart-store-associates-with-a-5d42c08d88da)               |   2021 |\n|     213 | Walmart              | E-commerce and retail                     | Identify refrigeration defrost                                | [Predicting Defrost in Refrigeration Cases at Walmart using Fourier Transform](https://medium.com/walmartglobaltech/predicting-defrost-in-refrigeration-cases-at-walmart-using-fourier-transform-e64c0c59323)                                                                      |   2021 |\n|     214 | New York Times       | Media and streaming                       | Recommend content to read                                     | [Machine Learning and Reader Input Help Us Recommend Articles](https://open.nytimes.com/we-recommend-articles-with-a-little-help-from-our-friends-machine-learning-and-reader-input-e17e85d6cf04)                                                                                  |   2021 |\n|     215 | Mercado Libre        | E-commerce and retail                     | Forecast demand for e-commerce items                          | [Marketplace Forecasting: Sales or Demand? Why not both? Let’s find out!](https://medium.com/mercadolibre-tech/global-time-series-forecasting-models-for-item-level-demand-and-sales-forecasts-in-our-marketplace-aee2956957ae)                                                    |   2021 |\n|     216 | Swiggy               | Delivery and mobility                     | Rank food dishes in search                                    | [Using Deep Learning for Ranking in Dish Search](https://bytes.swiggy.com/using-deep-learning-for-ranking-in-dish-search-4df2772dddce)                                                                                                                                             |   2021 |\n|     217 | PayPal               | Fintech and banking                       | Recommend financial products                                  | [Cross-Selling Optimization Using Deep Learning](https://medium.com/paypal-tech/a-deep-learning-based-approach-to-optimizing-actions-e1ae9d1df152)                                                                                                                                 |   2021 |\n|     218 | Wayfair              | E-commerce and retail                     | Automate ads placement and bidding                            | [Evolution of Ads Bidding at Wayfair](https://www.aboutwayfair.com/careers/tech-blog/evolution-of-ads-bidding-at-wayfair)                                                                                                                                                          |   2021 |\n|     219 | Capital One          | Fintech and banking                       | Improve cardholder experience                                 | [Improving Virtual Card Numbers with Edge Machine Learning](https://www.capitalone.com/tech/machine-learning/edge-machine-learning-eno-virtual-card-numbers/)                                                                                                                      |   2021 |\n|     220 | Shopify              | E-commerce and retail                     | Categorize e-commerce products                                | [Using Rich Image and Text Data to Categorize Products at Scale](https://shopify.engineering/using-rich-image-text-data-categorize-products)                                                                                                                                       |   2021 |\n|     221 | Scribd               | Media and streaming                       | Recommend content to read                                     | [Embedding-based Retrieval at Scribd](https://tech.scribd.com/blog/2021/embedding-based-retrieval-scribd.html)                                                                                                                                                                     |   2021 |\n|     222 | Swiggy               | Delivery and mobility                     | Detect fraud in online food delivery                          | [DeFraudNet: An End-to-End Weak Supervision Framework to Detect Fraud in Online Food Delivery](https://bytes.swiggy.com/defraudnet-an-end-to-end-weak-supervision-framework-to-detect-fraud-in-online-food-delivery-22366ddce461)                                                  |   2021 |\n|     223 | Amazon               | E-commerce and retail                     | Predict coordinates of delivery location                      | [Using learning-to-rank to precisely locate where to deliver packages](https://www.amazon.science/blog/using-learning-to-rank-to-precisely-locate-where-to-deliver-packages)                                                                                                       |   2021 |\n|     224 | PayPal               | Fintech and banking                       | Predict declined transactions                                 | [Using Machine Learning to Improve Payment Authorization Rate](https://medium.com/paypal-tech/using-machine-learning-to-improve-payment-authorization-rates-bc3b2cbf4999)                                                                                                          |   2021 |\n|     225 | Stripe               | Fintech and banking                       | Detect fraud in online payments                               | [A primer on machine learning for fraud detection](https://stripe.com/en-mx/guides/primer-on-machine-learning-for-fraud-protection)                                                                                                                                                |   2021 |\n|     226 | Slack                | Tech                                      | Predict Slack connect invites                                 | [Email Classification](https://slack.engineering/email-classification/)                                                                                                                                                                                                            |   2021 |\n|     227 | Wayfair              | E-commerce and retail                     | Recommend furniture items                                     | [MARS: Transformer Networks for Sequential Recommendation](https://www.aboutwayfair.com/careers/tech-blog/mars-transformer-networks-for-sequential-recommendation)                                                                                                                 |   2021 |\n|     228 | Grammarly            | Tech                                      | Detect grammatical errors                                     | [Grammatical Error Correction: Tag, Not Rewrite](https://www.grammarly.com/blog/engineering/gec-tag-not-rewrite/)                                                                                                                                                                  |   2021 |\n|     229 | Nordstrom            | E-commerce and retail                     | Generate outfit combinations                                  | [AI-Created Outfits](https://medium.com/tech-at-nordstrom/ai-created-outfits-9529300a1af3)                                                                                                                                                                                         |   2021 |\n|     230 | Doordash             | Delivery and mobility                     | Deliver orders on time                                        | [Using ML and Optimization to Solve DoorDash’s Dispatch Problem](https://doordash.engineering/2021/08/17/using-ml-and-optimization-to-solve-doordashs-dispatch-problem/)                                                                                                           |   2021 |\n|     231 | Zillow               | E-commerce and retail                     | Recommend similar homes                                       | [Improving Recommendation Quality by Tapping into Listing Text](https://www.zillow.com/tech/improve-quality-listing-text/)                                                                                                                                                         |   2021 |\n|     232 | Lifen                | Tech                                      | Recognize PDF layout                                          | [Fast graph-based layout detection](https://medium.com/lifen-engineering/fast-graph-based-layout-detection-19fc7ab11b17)                                                                                                                                                           |   2021 |\n|     233 | PayPal               | Fintech and banking                       | Prevent repeated payment fraud                                | [How PayPal Uses Real-time Graph Database and Graph Analysis to Fight Fraud](https://medium.com/paypal-tech/how-paypal-uses-real-time-graph-database-and-graph-analysis-to-fight-fraud-96a2b918619a)                                                                               |   2021 |\n|     234 | Bumble               | Social platforms                          | Detect rude messages                                          | [Multilingual message content moderation at scale (part 1)](https://medium.com/bumble-tech/multilingual-message-content-moderation-at-scale-ddd0da1e23ed)                                                                                                                          |   2021 |\n|     235 | Spotify              | Media and streaming                       | Personalize homepage content (podcasts, playlist, music)      | [The Rise (and Lessons Learned) of ML Models to Personalize Content on Home (Part II)](https://engineering.atspotify.com/2021/11/the-rise-and-lessons-learned-of-ml-models-to-personalize-content-on-home-part-ii/)                                                                |   2021 |\n|     236 | Swiggy               | Delivery and mobility                     | Estimate travel distance                                      | [Learning to Predict Two-Wheeler Travel Distance](https://bytes.swiggy.com/learning-to-predict-two-wheeler-travel-distance-752d836d741d)                                                                                                                                           |   2021 |\n|     237 | Expedia              | Travel,E-commerce and retail              | Personalize travel search results                             | [Personalized Ranking Model for Lodging](https://medium.com/expedia-group-tech/personalized-ranking-model-for-lodging-5be43ae975fe)                                                                                                                                                |   2021 |\n|     238 | Scribd               | Media and streaming                       | Classify documents                                            | [Categorizing user-uploaded documents](https://tech.scribd.com/blog/2021/categorizing-user-uploaded-documents.html)                                                                                                                                                                |   2021 |\n|     239 | Meta                 | Social platforms                          | Personalize the newsfeed content                              | [How machine learning powers Facebook’s News Feed ranking](https://engineering.fb.com/2021/01/26/ml-applications/news-feed-ranking/)                                                                                                                                               |   2021 |\n|     240 | Google               | Tech                                      | Correct grammatical errors                                    | [Grammar Correction as You Type, on Pixel 6](https://ai.googleblog.com/2021/10/grammar-correction-as-you-type-on-pixel.html)                                                                                                                                                       |   2021 |\n|     241 | Nubank               | Fintech and banking                       | Predict conversions and attract new customers                 | [Beyond prediction machines](https://building.nubank.com.br/beyond-prediction-machines/)                                                                                                                                                                                           |   2021 |\n|     242 | Grammarly            | Tech                                      | Correct grammatical errors                                    | [Adversarial Grammatical Error Correction](https://www.grammarly.com/blog/engineering/adversarial-grammatical-error-correction)                                                                                                                                                    |   2021 |\n|     243 | Scribd               | Media and streaming                       | Classify user-uploaded documents                              | [Identifying Document Types at Scribd](https://tech.scribd.com/blog/2021/identifying-document-types.html)                                                                                                                                                                          |   2021 |\n|     244 | Oda                  | Delivery and mobility                     | Predict driver's non-driving time                             | [How we went from zero insight to predicting service time with a machine learning model — Part 1](https://medium.com/oda-product-tech/how-we-went-from-zero-insight-to-predicting-service-time-with-a-machine-learning-model-part-1-516b9545d02f)                                  |   2021 |\n|     245 | Mercado Libre        | E-commerce and retail                     | Predict customer engagement and LTV                           | [Causal Inference — Estimating Long-term Engagement](https://medium.com/mercadolibre-tech/causal-inference-estimating-long-term-engagement-fac517929073)                                                                                                                           |   2021 |\n|     246 | Dailymotion          | Media and streaming                       | Target contextual advertising                                 | [How Deep Learning can boost Contextual Advertising Capabilities](https://medium.com/dailymotion/how-deep-learning-can-boost-contextual-advertising-capabilities-c9ca7c8fc4e9)                                                                                                     |   2021 |\n|     247 | Wayfair              | E-commerce and retail                     | Optimize digital ads                                          | [Building Scalable and Performant Marketing ML Systems at Wayfair](https://www.aboutwayfair.com/careers/tech-blog/building-scalable-and-performant-marketing-ml-systems-at-wayfair)                                                                                                |   2021 |\n|     248 | Wayfair              | E-commerce and retail                     | Show relevant content to new customers                        | [Share of Voice Optimization Engine](https://www.aboutwayfair.com/careers/tech-blog/share-of-voice-optimization-engine)                                                                                                                                                            |   2021 |\n|     249 | Wayfair              | E-commerce and retail                     | Optimize paid media marketing                                 | [Contextual Bandit for Marketing Treatment Optimization](https://www.aboutwayfair.com/careers/tech-blog/contextual-bandit-for-marketing-treatment-optimization)                                                                                                                    |   2021 |\n|     250 | Microsoft            | Tech                                      | Classify cloud workload types                                 | [How we used ML — and heuristic data labeling — to help customers with their cloud migration](https://medium.com/data-science-at-microsoft/how-we-used-ml-and-heuristic-data-labeling-to-help-customers-with-their-cloud-migration-d3af7ff020fc)                                   |   2021 |\n|     251 | Github               | Tech                                      | Help users find contribution opportunities                    | [How we built the good first issues feature](https://github.blog/2020-01-22-how-we-built-good-first-issues/)                                                                                                                                                                       |   2020 |\n|     252 | Linkedin             | Social platforms                          | Serve personalized learning recommendations                   | [A closer look at the AI behind course recommendations on LinkedIn Learning, Part 1](https://engineering.linkedin.com/blog/2020/course-recommendations-ai-part-one)                                                                                                                |   2020 |\n|     253 | Bumble               | Social platforms                          | Derive information from images                                | [Image detection as a service](https://medium.com/bumble-tech/image-detection-as-a-service-9bd463f74f43)                                                                                                                                                                           |   2020 |\n|     254 | Gojek                | Delivery and mobility                     | Generate names for pickup points                              | [How Gojek Uses NLP to Name Pickup Locations at Scale](https://www.gojek.io/blog/nlp-cartobert)                                                                                                                                                                                    |   2020 |\n|     255 | Mozilla              | Tech                                      | Predict the outcome of software tests                         | [Testing Firefox more efficiently with machine learning](https://hacks.mozilla.org/2020/07/testing-firefox-more-efficiently-with-machine-learning/)                                                                                                                                |   2020 |\n|     256 | Adyen                | Fintech and banking                       | Predict probability of transaction success                    | [Optimizing payment conversion rates with contextual multi-armed bandits](https://www.adyen.com/blog/optimizing-payment-conversion-rates-with-contextual-multi-armed-bandits)                                                                                                      |   2020 |\n|     257 | Wayfair              | E-commerce and retail                     | Detect payment fraud                                          | [Explainable Fraud Detection](https://www.aboutwayfair.com/tech-innovation/explainable-fraud-detection)                                                                                                                                                                            |   2020 |\n|     258 | Lyft                 | Delivery and mobility                     | Provide location suggestions                                  | [How Lyft predicts a rider’s destination for better in-app experience](https://eng.lyft.com/how-lyft-predicts-your-destination-with-attention-791146b0a439)                                                                                                                        |   2020 |\n|     259 | Zillow               | E-commerce and retail                     | Generate floor plans from photos                              | [Zillow Floor Plan: Training Models to Detect Windows, Doors and Openings in Panoramas](https://www.zillow.com/tech/training-models-to-detect-windows-doors-in-panos/)                                                                                                             |   2020 |\n|     260 | Linkedin             | Social platforms                          | Serve personalized learning recommendations                   | [A closer look at the AI behind course recommendations on LinkedIn Learning, Part 2](https://engineering.linkedin.com/blog/2020/course-recommendations-ai-part-two)                                                                                                                |   2020 |\n|     261 | Doordash             | Delivery and mobility                     | Optimize marketing spending                                   | [Optimizing DoorDash’s Marketing Spend with Machine Learning](https://doordash.engineering/2020/07/31/optimizing-marketing-spend-with-ml/)                                                                                                                                         |   2020 |\n|     262 | Etsy                 | E-commerce and retail                     | Personalize e-commerce search                                 | [Bringing Personalized Search to Etsy](https://www.etsy.com/codeascraft/bringing-personalized-search-to-etsy/)                                                                                                                                                                     |   2020 |\n|     263 | Airbnb               | Travel,E-commerce and retail              | Rank travel search results                                    | [Improving Deep Learning for Ranking Stays at Airbnb](https://medium.com/airbnb-engineering/improving-deep-learning-for-ranking-stays-at-airbnb-959097638bde)                                                                                                                      |   2020 |\n|     264 | Wayfair              | E-commerce and retail                     | Improve search experience for new customers                   | [Bayesian Product Ranking at Wayfair ](https://www.aboutwayfair.com/tech-innovation/bayesian-product-ranking-at-wayfair)                    |   2020 |                                                                                                                                                                            |        |\n|     265 | Twitter              | Social platforms                          | Predict value of ad requests                                  | [Using machine learning to predict the value of ad requests](https://blog.twitter.com/engineering/en_us/topics/insights/2020/using-machine-learning-to-predict-the-value-of-ad-requests)                                                                                           |   2020 |\n|     266 | Zynga                | Gaming                                    | Personalize push notification timing                          | [Deep Reinforcement Learning in Production Part 2: Personalizing User Notifications](https://towardsdatascience.com/deep-reinforcement-learning-in-production-part-2-personalizing-user-notifications-812a68ce2355)                                                                |   2020 |\n|     267 | Zillow               | E-commerce and retail                     | Rank homes to buy                                             | [Guided Search — Personalized Search Refinements to Help Customers Find their Dream Home](https://www.zillow.com/tech/personalized-search-refinements/ )                                                                                                                           |   2020 |\n|     268 | Picnic               | Delivery and mobility                     | Predict delivery drop times                                   | [Optimal drop times using machine learning](https://blog.picnic.nl/the-trade-off-between-efficiency-and-being-on-time-optimizing-drop-times-using-machine-learning-d3f6fb1b0f31)                                                                                                   |   2020 |\n|     269 | Shopify              | E-commerce and retail                     | Categorize e-commerce products                                | [Categorizing Products at Scale](https://shopify.engineering/categorizing-products-at-scale)                                                                                                                                                                                       |   2020 |\n|     270 | Gojek                | Delivery and mobility                     | Target cross-sell to existing users                           | [How We Built a Matchmaking Algorithm to Cross-Sell Products](https://www.gojek.io/blog/how-we-built-a-matchmaking-algorithm-to-cross-sell-products)                                                                                                                               |   2020 |\n|     271 | PayPal               | Fintech and banking                       | Detect payment fraud                                          | [Multi-Domain Fraud Detection While Reducing Good User Declines](https://medium.com/paypal-tech/multi-domain-fraud-detection-while-reducing-good-user-declines-part-i-e8bba5b07da8)                                                                                                |   2020 |\n|     272 | OLX                  | E-commerce and retail                     | Detect stolen photos                                          | [Fighting fraud with Triplet Loss](https://tech.olx.com/fighting-fraud-with-triplet-loss-86e5f79c7a3e)                                                                                                                                                                             |   2020 |\n|     273 | Stripe               | Fintech and banking                       | Detect fraud in online payments                               | [Similarity clustering to catch fraud rings](https://stripe.com/blog/similarity-clustering)                                                                                                                                                                                        |   2020 |\n|     274 | Doordash             | Delivery and mobility                     | Search for restaurants and dishes                             | [Things Not Strings: Understanding Search Intent with Better Recall](https://doordash.engineering/2020/12/15/understanding-search-intent-with-better-recall/)                                                                                                                      |   2020 |\n|     275 | Spotify              | Media and streaming                       | Recommend shortcuts for homepage                              | [Reach for the Top: How Spotify Built Shortcuts in Just Six Months](https://engineering.atspotify.com/2020/04/reach-for-the-top-how-spotify-built-shortcuts-in-just-six-months/)                                                                                                   |   2020 |\n|     276 | Wayfair              | E-commerce and retail                     | Recommend complementary products                              | [The Visual Complements Model (ViCs): Complementary Product Recommendations From Visual Cues](https://www.aboutwayfair.com/tech-innovation/the-visual-complements-model-vics-complementary-product-recommendations-from-visual-cues)                                               |   2020 |\n|     277 | Dailymotion          | Media and streaming                       | Automatically categorize videos                               | [How we used Cross-Lingual Transfer Learning to categorize our content](https://medium.com/dailymotion/how-we-used-cross-lingual-transfer-learning-to-categorize-our-content-c8e0f9c1c6c3)                                                                                         |   2020 |\n|     278 | Duolingo             | Tech                                      | Teaching foreign languages                                    | [How Duolingo uses AI in every part of its app](https://venturebeat.com/ai/how-duolingo-uses-ai-in-every-part-of-its-app/)                                                                                                                                                         |   2020 |\n|     279 | Firefox              | Tech                                      | Automatically assign new untriaged bugs                       | [Teaching machines to triage Firefox bugs](https://hacks.mozilla.org/2019/04/teaching-machines-to-triage-firefox-bugs/)                                                                                                                                                            |   2019 |\n|     280 | Dropbox              | Tech                                      | Predict files users search for                                | [Using machine learning to predict what file you need next](https://dropbox.tech/machine-learning/content-suggestions-machine-learning)                                                                                                                                            |   2019 |\n|     281 | Zoominfo             | Tech                                      | Predict data accuracy                                         | [Using Machine Learning to Determine Contact Accuracy Scores](https://engineering.zoominfo.com/machine-learning-accuracy-scores)                                                                                                                                                   |   2019 |\n|     282 | Airbnb               | Travel,E-commerce and retail              | Recommend marketplace items                                   | [Machine Learning-Powered Search Ranking of Airbnb Experiences](https://medium.com/airbnb-engineering/machine-learning-powered-search-ranking-of-airbnb-experiences-110b4b1a0789)                                                                                                  |   2019 |\n|     283 | Lyft                 | Delivery and mobility                     | Predict location of traffic control elements                  | [Detecting Stop Signs and Traffic Signals: Deep Learning at Lyft Mapping](https://eng.lyft.com/detecting-stop-signs-and-traffic-signals-deep-learning-at-lyft-mapping-75bac609c231)                                                                                                |   2019 |\n|     284 | Gojek                | Delivery and mobility                     | Personalize search results                                    | [The Secret Sauce Behind Search Personalisation](https://www.gojek.io/blog/the-secret-sauce-behind-search-personalisation)                                                                                                                                                         |   2019 |\n|     285 | Instacart            | Delivery and mobility                     | Spot lost demand                                              | [Modeling the unseen](https://tech.instacart.com/modeling-the-unseen-6a51c9a02430)                                                                                                                                                                                                 |   2019 |\n|     286 | Apple                | Tech                                      | Identify text language                                        | [Language Identification from Very Short Strings](https://machinelearning.apple.com/research/language-identification-from-very-short-strings)                                                                                                                                      |   2019 |\n|     287 | Stitch Fix           | E-commerce and retail                     | Extract information from customer notes                       | [Give Me Jeans not Shoes: How BERT Helps Us Deliver What Clients Want](https://multithreaded.stitchfix.com/blog/2019/07/15/give-me-jeans/)                                                                                                                                         |   2019 |\n|     288 | Lyft                 | Delivery and mobility                     | Detect errors in maps                                         | [How Lyft Creates Hyper-Accurate Maps from Open-Source Maps and Real-Time Data](https://eng.lyft.com/how-lyft-creates-hyper-accurate-maps-from-open-source-maps-and-real-time-data-8dcf9abdd46a)                                                                                   |   2019 |\n|     289 | King                 | Gaming                                    | Automate playtesting pipeline                                 | [Human-Like Playtesting with Deep Learning](https://medium.com/techking/human-like-playtesting-with-deep-learning-92adafffe921)                                                                                                                                                    |   2019 |\n|     290 | Gojek                | Delivery and mobility                     | Analyse the relevance of search results                       | [Is This What You Were Looking For?](https://www.gojek.io/blog/is-this-what-you-were-looking-for)                                                                                                                                                                                  |   2019 |\n|     291 | Lyft                 | Delivery and mobility                     | Build a marketing automation platform                         | [Building Lyft’s Marketing Automation Platform](https://eng.lyft.com/lyft-marketing-automation-b43b7b7537cc)                                                                                                                                                                       |   2019 |\n|     292 | Wayfair              | E-commerce and retail                     | Model uplift                                                  | [Modeling Uplift Directly: Uplift Decision Tree with KL Divergence and Euclidean Distance as Splitting Criteria](https://www.aboutwayfair.com/tech-innovation/modeling-uplift-directly-uplift-decision-tree-with-kl-divergence-and-euclidean-distance-as-splitting-criteria)       |   2019 |\n|     293 | Gojek                | Delivery and mobility                     | Accurately forecast demand                                    | [Under the Hood of Gojek’s Automated Forecasting Tool](https://www.gojek.io/blog/under-the-hood-of-gojeks-automated-forecasting-tool)                                                                                                                                              |   2019 |\n|     294 | Lyft                 | Delivery and mobility                     | Predict rides and driver hours                                | [Making cohort-based long-term forecasts at Lyft](https://eng.lyft.com/making-long-term-forecasts-at-lyft-fac475b3ba52)                                                                                                                                                            |   2019 |\n|     295 | Lyft                 | Delivery and mobility                     | Predict fraudulent activity                                   | [Fingerprinting fraudulent behavior](https://eng.lyft.com/fingerprinting-fraudulent-behavior-6663d0264fad)                                                                                                                                                                         |   2018 |\n|     296 | Netflix              | Media and streaming                       | Improve streaming quality                                     | [Using Machine Learning to Improve Streaming Quality at Netflix](https://netflixtechblog.com/using-machine-learning-to-improve-streaming-quality-at-netflix-9651263ef09f)                                                                                                          |   2018 |\n|     297 | Lyft                 | Delivery and mobility                     | Identify user fraud                                           | [From shallow to deep learning in fraud](https://eng.lyft.com/from-shallow-to-deep-learning-in-fraud-9dafcbcef743?gi=6e6a315e3f92)                                                                                                                                                 |   2018 |\n|     298 | Instacart            | E-commerce and retail                     | Predict grocery item availability                             | [Predicting the real-time availability of 200 million grocery items](https://tech.instacart.com/predicting-real-time-availability-of-200-million-grocery-items-in-us-canada-stores-61f43a16eafe)                                                                                   |   2018 |\n|     299 | Lyft                 | Delivery and mobility                     | Personalize marketing offers                                  | [Empowering personalized marketing with machine learning](https://eng.lyft.com/empowering-personalized-marketing-with-machine-learning-fd36e6bdeca6)                                                                                                                               |   2018 |\n|     300 | Instacart            | E-commerce and retail                     | Optimize food delivery logistics                              | [Space, Time and Groceries](https://tech.instacart.com/space-time-and-groceries-a315925acf3a)                                                                                                                                                                                      |   2017 |\n|     301 | Airbnb               | Travel,E-commerce and retail              | Predict Value of Homes                                        | [Using Machine Learning to Predict Value of Homes On Airbnb](https://medium.com/airbnb-engineering/using-machine-learning-to-predict-value-of-homes-on-airbnb-9272d3d4739d)                                                                                                        |   2017 |\n|     302 | Netflix              | Media and streaming                       | Improve Streamning Quality                                    | [Using Machine Learning to Improve Streaming Quality at Netflix](https://medium.com/netflix-techblog/using-machine-learning-to-improve-streaming-quality-at-netflix-9651263ef09f)                                                                                                  |   2018 |\n|     303 | Booking.com          | Travel,E-commerce and retail              | 150 Successful Machine Learning Models                        | [150 Successful Machine Learning Models: 6 Lessons Learned at Booking.com](https://blog.acolyer.org/2019/10/07/150-successful-machine-learning-models/)                                                                                                                            |   2019 |\n|     304 | Chicisimo            | Fashion and retail                        | Grow User base using vertical ML approch                      | [How we grew from 0 to 4 million women on our fashion app, with a vertical machine learning approach](https://medium.com/hackernoon/how-we-grew-from-0-to-4-million-women-on-our-fashion-app-with-a-vertical-machine-learning-approach-f8b7fc0a89d7)                               |   2019 |\n|     305 | Airbnb               | Travel,E-commerce and retail              | ML Powered search ranking                                     | [Machine Learning-Powered Search Ranking of Airbnb Experiences](https://medium.com/airbnb-engineering/machine-learning-powered-search-ranking-of-airbnb-experiences-110b4b1a0789)                                                                                                  |   2019 |\n|     306 | Lyft                 | Delivery and mobility                     | Shallow to deep learning in fraud                             | [From shallow to deep learning in fraud](https://eng.lyft.com/from-shallow-to-deep-learning-in-fraud-9dafcbcef743)                                                                                                                                                                 |   2018 |\n|     307 | Uber                 | Delivery and mobility                     | 100+ Petabytes with Minute Latency                            | [Uber's Big Data Platform: 100+ Petabytes with Minute Latency](https://eng.uber.com/uber-big-data-platform/)                                                                                                                                                                       |   2018 |\n|     308 | Dropbox              | Tech                                      | Modern OCR with CV and DL                                     | [Creating a Modern OCR Pipeline Using Computer Vision and Deep Learning](https://blogs.dropbox.com/tech/2017/04/creating-a-modern-ocr-pipeline-using-computer-vision-and-deep-learning/)                                                                                           |   2017 |\n|     309 | Uber              | Tech                                      | Scaling ML with Michelangelo                                  | [Scaling Machine Learning at Uber with Michelangelo](https://eng.uber.com/scaling-michelangelo/)                                                                                                                                                                                   |   2019 |\n\n\n> For more information, visit [Evidently AI - ML System Design](https://www.evidentlyai.com/ml-system-design) and [ML Systems Design](https://huyenchip.com/machine-learning-systems-design/case-studies.html)\n\n## Star History\n\n[![Star History Chart](https://api.star-history.com/svg?repos=Engineer1999/A-Curated-List-of-ML-System-Design-Case-Studies&type=Date)](https://www.star-history.com/#Engineer1999/A-Curated-List-of-ML-System-Design-Case-Studies&Date)\n"
  }
]