Published in ACM Transactions on Information Systems (TOIS), CCF-A, 2026
A plug-and-play dual-view recommendation framework that bridges sparse interaction structures and dense model representations.
Recommended citation: Hanze Guo, Jianxun Lian, and Xiao Zhou. "Why not Collaborative Filtering in Dual View? Bridging Sparse and Dense Models." ACM Transactions on Information Systems, 2026.
Published in ACM Transactions on Information Systems (TOIS), CCF-A, 2025
A self-explainable social recommendation framework that extracts relevant ego-paths for human-understandable recommendation explanations.
Recommended citation: Hanze Guo, Yijun Ma, and Xiao Zhou. "SoREX: Towards Self-Explainable Social Recommendation with Relevant Ego-Path Extraction." ACM Transactions on Information Systems, 2025.
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Published in NeurIPS 2025, CCF-A, 2025
A counterfactual reasoning framework for steerable pluralistic value alignment of large language models.
Recommended citation: Hanze Guo, Jing Yao, Xiao Zhou, Xiaoyuan Yi, and Xing Xie. "Counterfactual Reasoning for Steerable Pluralistic Value Alignment of Large Language Models." NeurIPS, 2025.
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