Table of contents : Cover Front Matter Part I. Half the Work, Twice the Effect 1. Guide to the Competitions 2. Problem Modeling 3. Data Exploration 4. Feature Engineering 5. Model Training 6. Model Integration Part II. Birds of a Feather Flock Together 7. User Profiles 8. Case Study: Elo Merchant Category Recommendation Part III. Learn from History to Create a Bright Future 9. Time Series 10. Case Study: Global Urban Computing AI Challenge 11. Case Study: Corporación Favorita Grocery Sales Forecasting Part IV. Precise Delivery, Optimized Experience 12. Computational Advertising 13. Case Study: 2018 Tencent Advertising Algorithm Competition—Audience Lookalike Expansion 14. Case Study: TalkingData AdTracking Fraud Detection Challenge Part V. Listen to What You Say and Understand What You Write 15. Natural Language Processing 16. Case Study: Quora Question Pairs