All Stories

  1. RAMP: Robust Ad Recommendation Under Limited Personalized-Feature Availability via Masking and Alignment Pathways

    Article • July 2026, ACM (Association for Computing Machinery)

    Barry Smyth, Tri Kurniawan Wijaya, Zhongyi Lu, Roger Zhe Li

  2. Metric Optimization and Mainstream Bias Mitigation in Recommender Systems

    Article • ACM SIGIR Forum, December 2023, ACM (Association for Computing Machinery)

    Roger Zhe Li