Yunbo Ouyang

Posts by Yunbo Ouyang

  • system-design

    Using Bayesian optimization for balancing metrics in recommendation systems

    February 4, 2022

    Co-authors: Yunbo Ouyang,Viral Gupta, Kinjal Basu, Cyrus Diciccio, Brendan Gavin, and Lin Guo. Most large-scale recommender systems like newsfeed ranking, people recommendations, job recommendations, etc., have multiple objectives that need to be simultaneously optimized. These objectives may include things like user engagement, diversity, novelty, freshness, or...