Ziheng Chen

2025

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FUTURE: Flexible Unlearning for Tree Ensemble.
Ziheng Chen|Jin Huang|Jiali Cheng|Yuchan Guo|Mengjie Wang|Lalitesh Morishetti|Kaushiki Nag|Hadi Amiri
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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FROG: Fair Removal on Graph.
Ziheng Chen|Jiali Cheng|Hadi Amiri|Kaushiki Nag|Lu Lin|Sijia Liu|Gabriele Tolomei|Xiangguo Sun
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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IR-RAG @SIGIR25: The Second Edition of the Workshop on Information Retrieval's Role in RAG Systems.
Negar Arabzadeh|Ziheng Chen|Fabio Petroni|Federico Siciliano|Fabrizio Silvestri|Giovanni Trappolini
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2023

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The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples.
Ziheng Chen|Fabrizio Silvestri|Jia Wang|Yongfeng Zhang|Gabriele Tolomei
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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ReLAX: Reinforcement Learning Agent Explainer for Arbitrary Predictive Models.
Ziheng Chen|Fabrizio Silvestri|Jia Wang|He Zhu|Hongshik Ahn|Gabriele Tolomei
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022