Wei Chen

2026

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How Do LLM-Generated Texts Impact Term-Based Retrieval Models?
Wei Huang|Keping Bi|Yinqiong Cai|Wei Chen|Jiafeng Guo|Xueqi Cheng
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
doi dblp
Rethinking Implicit Hate Speech Detection: Focusing on Latent Hate Components via Dual-Process Argumentation.
Shiqi Sun|Du Su|Wei Chen|Xueqi Cheng
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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CAME: Competitively Learning a Mixture-of-Experts Model for First-stage Retrieval.
Jiafeng Guo|Yinqiong Cai|Keping Bi|Yixing Fan|Wei Chen|Ruqing Zhang|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2

2024

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Listwise Generative Retrieval Models via a Sequential Learning Process.
Yubao Tang|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Wei Chen|Xueqi Cheng
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5

2023

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L2R: Lifelong Learning for First-stage Retrieval with Backward-Compatible Representations.
Yinqiong Cai|Keping Bi|Yixing Fan|Jiafeng Guo|Wei Chen|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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Continual Learning for Generative Retrieval over Dynamic Corpora.
Laura Dietz|Jiangui Chen|Ruqing Zhang|Michael Schuhmacher|Jiafeng Guo|Maarten de Rijke|Wei Chen|Yixing Fan|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Inducing Causal Structure for Abstractive Text Summarization.
Lu Chen|Ruqing Zhang|Wei Huang|Wei Chen|Jiafeng Guo|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Black-box Adversarial Attacks against Dense Retrieval Models: A Multi-view Contrastive Learning Method.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Wei Chen|Yixing Fan|Xueqi Cheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Topic-oriented Adversarial Attacks against Black-box Neural Ranking Models.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Wei Chen|Yixing Fan|Xueqi Cheng
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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Certified Robustness to Word Substitution Ranking Attack for Neural Ranking Models.
Chen Wu|Ruqing Zhang|Jiafeng Guo|Wei Chen|Yixing Fan|Maarten de Rijke|Xueqi Cheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2017

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Distributed Machine Learning: Foundations, Trends, and Practices.
Tie-Yan Liu|Wei Chen|Taifeng Wang
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

2014

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Sponsored Search Auctions: Recent Advances and Future Directions.
Tao Qin|Wei Chen|Tie-Yan Liu
ACM Transactions on Intelligent Systems and Technology (TIST) 2014 Volume 5 Issue 4
doi dblp
Sampling dilemma: towards effective data sampling for click prediction in sponsored search.
Jun Feng|Jiang Bian|Taifeng Wang|Wei Chen|Xiaoyan Zhu|Tie-Yan Liu
Seventh ACM International Conference on Web Search and Data Mining, WSDM 2014, New York, NY, USA, February 24-28, 2014