All Stories

  1. Unbiased Reasoning for Knowledge-Intensive Tasks in Large Language Models via Conditional Front-Door Adjustment

    Article • November 2025, ACM (Association for Computing Machinery)

    Renqiang Luo, Yongli Ren, ZIQI XU

  2. Revisiting Pre-processing Group Fairness: A Modular Benchmarking Framework

    Article • November 2025, ACM (Association for Computing Machinery)

    Sevvandi Kandanaarachchi, ZIQI XU

  3. Temporal-Aware User Behaviour Simulation with Large Language Models for Recommender Systems

    Article • November 2025, ACM (Association for Computing Machinery)

    Chenglong Ma, ZIQI XU

  4. PUB: An LLM-Enhanced Personality-Driven User Behaviour Simulator for Recommender System Evaluation

    Article • July 2025, ACM (Association for Computing Machinery)

    ZIQI XU, Yongli Ren, Chenglong Ma

  5. Towards Better Evaluation of Recommendation Algorithms with Bi-directional Item Response Theory

    Article • May 2025, ACM (Association for Computing Machinery)

    ZIQI XU, Yongli Ren, Chenglong Ma

  6. Testing fairness measures in machine learning using an approach for designing tests in education.

    Article • April 2025, ACM (Association for Computing Machinery)

    Prof. Dr. Eirini Ntoutsi, ZIQI XU, Sevvandi Kandanaarachchi, Cheng Soon Ong

  7. Off-policy Evaluation for Multiple Actions in the Presence of Unobserved Confounders

    Article • April 2025, ACM (Association for Computing Machinery)

    ZIQI XU