All Stories

  1. Investigating Reasoning in Large Language Models with Counterfactual Knowledge Graphs

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

    Xikun ZHANG, Renqiang Luo

  2. HiBrain: Hierarchical Prototype Learning on Multimodal Brain Graphs for Stage-Aware Biomarker Discovery

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

    Prof. Xiangjie Kong, ZIQI XU, Xikun ZHANG

  3. When to Trust: A Causality-Aware Calibration Framework for Accurate Knowledge Graph Retrieval-Augmented Generation

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

    Xikun ZHANG, ZIQI XU, Bowen Li

  4. Topology-aware Embedding Memory for Continual Learning on Expanding Networks

    Article • August 2024, ACM (Association for Computing Machinery)

    Xikun ZHANG

  5. Tutorials at The Web Conference 2023

    Article • April 2023, ACM (Association for Computing Machinery)

    Dr Olivier Jeunen, Liat Levontin, Josiah Poon, Amit Sheth, Johann Trippas, Dr Shoujin Wang, Jaemin Yoo, Hamed Zamani, Meike Zehlike, Xikun ZHANG, Yushan Jiang, Henry Weld, Haoyang Li, Caren Han, Hande Kucuk McGinty