Handling Online-Offline Discrepancy in Pinterest Ads Ranking System

Author: Cathy Qian, Aayush Mudgal, Yinrui Li and Jinfeng ZhuangImage from https://unsplash.com/photos/w7ZyuGYNpRQIntroductionAt Pinterest, our mission is to bring everyone the inspiration to create a life they love. People often come to Pinterest when they are considering what to do or buy next. Understanding this evolving user journey while balancing across multiple objectives is crucial to bring the best experience to Pinterest users and is supported by multiple recommendation models, with eac...