Complex Structure Leads to Overfitting: A Structure Regularization Decoding Method for Natural Language Processing. - Xu Sun 001; Weiwei Sun 001; Shuming Ma; Xuancheng Ren; Yi Zhang 050; Wenjie Li 002; Houfeng Wang (CoRR, 2017)

DukeNet: A Dual Knowledge Interaction Network for Knowledge-Grounded Conversation. - Chuan Meng; Pengjie Ren; Zhumin Chen; Weiwei Sun 001; Zhaochun Ren; Zhaopeng Tu; Maarten de Rijke (SIGIR, 2020)

Simulating User Satisfaction for the Evaluation of Task-oriented Dialogue Systems. - Weiwei Sun 001; Shuo Zhang 006; Krisztian Balog; Zhaochun Ren; Pengjie Ren; Zhumin Chen; Maarten de Rijke (SIGIR, 2021)

Conversations Powered by Cross-Lingual Knowledge. - Weiwei Sun 001; Chuan Meng; Qi Meng; Zhaochun Ren; Pengjie Ren; Zhumin Chen; Maarten de Rijke (SIGIR, 2021)

Contrastive Learning Reduces Hallucination in Conversations. - Weiwei Sun 001; Zhengliang Shi; Shen Gao; Pengjie Ren; Maarten de Rijke; Zhaochun Ren (AAAI, 2023)

RADE: Reference-Assisted Dialogue Evaluation for Open-Domain Dialogue. - Zhengliang Shi; Weiwei Sun 001; Shuo Zhang 006; Zhen Zhang; Pengjie Ren; Zhaochun Ren (ACL (1), 2023)

Answering Ambiguous Questions via Iterative Prompting. - Weiwei Sun 001; Hengyi Cai; Hongshen Chen; Pengjie Ren; Zhumin Chen; Maarten de Rijke; Zhaochun Ren (ACL (1), 2023)

Generative Knowledge Selection for Knowledge-Grounded Dialogues. - Weiwei Sun 001; Pengjie Ren; Zhaochun Ren (EACL (Findings), 2023)

Is ChatGPT Good at Search? Investigating Large Language Models as Re-Ranking Agents. - Weiwei Sun 001; Lingyong Yan; Xinyu Ma; Shuaiqiang Wang; Pengjie Ren; Zhumin Chen; Dawei Yin; Zhaochun Ren (EMNLP, 2023)

DiQAD: A Benchmark Dataset for Open-domain Dialogue Quality Assessment. - Yukun Zhao; Lingyong Yan; Weiwei Sun 001; Chong Meng; Shuaiqiang Wang; Zhicong Cheng; Zhaochun Ren; Dawei Yin (EMNLP (Findings), 2023)

Learning to Tokenize for Generative Retrieval. - Weiwei Sun 001; Lingyong Yan; Zheng Chen; Shuaiqiang Wang; Haichao Zhu; Pengjie Ren; Zhumin Chen; Dawei Yin; Maarten de Rijke; Zhaochun Ren (NeurIPS, 2023)

Towards Explainable Conversational Recommender Systems. - Shuyu Guo; Shuo Zhang 006; Weiwei Sun 001; Pengjie Ren; Zhumin Chen; Zhaochun Ren (SIGIR, 2023)

Is ChatGPT Good at Search? Investigating Large Language Models as Re-Ranking Agent. - Weiwei Sun 001; Lingyong Yan; Xinyu Ma; Pengjie Ren; Dawei Yin; Zhaochun Ren (CoRR, 2023)

DiQAD: A Benchmark Dataset for End-to-End Open-domain Dialogue Assessment. - Yukun Zhao; Lingyong Yan; Weiwei Sun 001; Chong Meng; Shuaiqiang Wang; Zhicong Cheng; Zhaochun Ren; Dawei Yin (CoRR, 2023)

Instruction Distillation Makes Large Language Models Efficient Zero-shot Rankers. - Weiwei Sun 001; Zheng Chen; Xinyu Ma; Lingyong Yan; Shuaiqiang Wang; Pengjie Ren; Zhumin Chen; Dawei Yin; Zhaochun Ren (CoRR, 2023)

MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter. - Jitai Hao; Weiwei Sun 001; Xin Xin 003; Qi Meng; Zhumin Chen; Pengjie Ren; Zhaochun Ren (ACL (1), 2024)

Generate-then-Ground in Retrieval-Augmented Generation for Multi-hop Question Answering. - Zhengliang Shi; Shuo Zhang 006; Weiwei Sun 001; Shen Gao; Pengjie Ren; Zhumin Chen; Zhaochun Ren (ACL (1), 2024)

Content-Based Collaborative Generation for Recommender Systems. - Yidan Wang; Zhaochun Ren; Weiwei Sun 001; Jiyuan Yang; Zhixiang Liang; Xin Chen 091; Ruobing Xie; Su Yan 004; Xu Zhang 028; Pengjie Ren; Zhumin Chen; Xin Xin 003 (CIKM, 2024)

How Large Language Models Encode Context Knowledge? A Layer-Wise Probing Study. - Tianjie Ju; Weiwei Sun 001; Wei Du; Xinwei Yuan; Zhaochun Ren; Gongshen Liu (LREC/COLING, 2024)

Improving the Robustness of Large Language Models via Consistency Alignment. - Yukun Zhao; Lingyong Yan; Weiwei Sun 001; Guoliang Xing; Shuaiqiang Wang; Chong Meng; Zhicong Cheng; Zhaochun Ren; Dawei Yin (LREC/COLING, 2024)

MAIR: A Massive Benchmark for Evaluating Instructed Retrieval. - Weiwei Sun 001; Zhengliang Shi; Wu Long; Lingyong Yan; Xinyu Ma; Yiding Liu; Min Cao; Dawei Yin; Zhaochun Ren (EMNLP, 2024)

Knowing What LLMs DO NOT Know: A Simple Yet Effective Self-Detection Method. - Yukun Zhao; Lingyong Yan; Weiwei Sun 001; Guoliang Xing; Chong Meng; Shuaiqiang Wang; Zhicong Cheng; Zhaochun Ren; Dawei Yin (NAACL-HLT, 2024)

Recent Advances in Generative Information Retrieval. - Yubao Tang; Ruqing Zhang 001; Weiwei Sun 001; Jiafeng Guo; Maarten de Rijke (WWW (Companion Volume), 2024)

Enhanced Generative Recommendation via Content and Collaboration Integration. - Yidan Wang; Zhaochun Ren; Weiwei Sun 001; Jiyuan Yang; Zhixiang Liang; Xin Chen 091; Ruobing Xie; Su Yan 004; Xu Zhang 028; Pengjie Ren; Zhumin Chen; Xin Xin 003 (CoRR, 2024)

TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy. - Yiqun Chen 004; Qi Liu 071; Yi Zhang 050; Weiwei Sun 001; Daiting Shi; Jiaxin Mao; Dawei Yin (CoRR, 2024)

MAIR: A Massive Benchmark for Evaluating Instructed Retrieval. - Weiwei Sun 001; Zhengliang Shi; Jiulong Wu; Lingyong Yan; Xinyu Ma; Yiding Liu; Min Cao; Dawei Yin; Zhaochun Ren (CoRR, 2024)

Metaphorical User Simulators for Evaluating Task-oriented Dialogue Systems. - Weiwei Sun 001; Shuyu Guo; Shuo Zhang 006; Pengjie Ren; Zhumin Chen; Maarten de Rijke; Zhaochun Ren (ACM Trans. Inf. Syst., 2024)

Replication and Exploration of Generative Retrieval over Dynamic Corpora. - Zhen Zhang; Xinyu Ma; Weiwei Sun 001; Pengjie Ren; Zhumin Chen; Shuaiqiang Wang; Dawei Yin; Maarten de Rijke; Zhaochun Ren (SIGIR, 2025)

TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy. - Yiqun Chen 004; Qi Liu 071; Yi Zhang 050; Weiwei Sun 001; Xinyu Ma; Wei Yang 041; Daiting Shi; Jiaxin Mao; Dawei Yin (WWW, 2025)

Improving Retrieval-Augmented Generation through Multi-Agent Reinforcement Learning. - Yiqun Chen 004; Lingyong Yan; Weiwei Sun 001; Xinyu Ma; Yi Zhang 050; Shuaiqiang Wang; Dawei Yin; Yiming Yang; Jiaxin Mao (CoRR, 2025)

LLM4Ranking: An Easy-to-use Framework of Utilizing Large Language Models for Document Reranking. - Qi Liu 071; Haozhe Duan; Yiqun Chen 004; Quanfeng Lu; Weiwei Sun 001; Jiaxin Mao (CoRR, 2025)

Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Models. - Zhengliang Shi; Lingyong Yan; Weiwei Sun 001; Yue Feng 002; Pengjie Ren; Xinyu Ma; Shuaiqiang Wang; Dawei Yin; Maarten de Rijke; Zhaochun Ren (CoRR, 2025)

ReasonRank: Empowering Passage Ranking with Strong Reasoning Ability. - Wenhan Liu; Xinyu Ma; Weiwei Sun 001; Yutao Zhu 001; Yuchen Li; Dawei Yin; Zhicheng Dou (CoRR, 2025)