Weiwei Sun

59 papers A* 11A 1Journal 37Unranked 10
YearRankTypeTitle / Venue / Authors
2026 A* conf
CO-Bench: Benchmarking Language Model Agents in Algorithm Search for Combinatorial Optimization.
AAAI
Weiwei Sun, Shengyu Feng, Shanda Li, Yiming Yang
2026 J jnl
CodePDE: An Inference Framework for LLM-driven PDE Solver Generation.
Trans. Mach. Learn. Res.
Shanda Li, Tanya Marwah, Junhong Shen, Weiwei Sun, Andrej Risteski, Yiming Yang, Ameet Talwalkar
2026 J jnl
GradAlign: Gradient-Aligned Data Selection for LLM Reinforcement Learning.
CoRR
Ningyuan Yang, Weihua Du, Weiwei Sun, Sean Welleck, Yiming Yang
2026 J jnl
Mind the Sim2Real Gap in User Simulation for Agentic Tasks.
CoRR
Xuhui Zhou, Weiwei Sun, Qianou Ma, Yiqing Xie, Jiarui Liu, Weihua Du, Sean Welleck, Yiming Yang, Graham Neubig, Sherry Tongshuang Wu, Maarten Sap
2025 J jnl
A Comprehensive Evaluation of Contemporary ML-Based Solvers for Combinatorial Optimization.
CoRR
Shengyu Feng, Weiwei Sun, Shanda Li, Ameet Talwalkar, Yiming Yang
2025 J jnl
CO-Bench: Benchmarking Language Model Agents in Algorithm Search for Combinatorial Optimization.
CoRR
Weiwei Sun, Shengyu Feng, Shanda Li, Yiming Yang
2025 J jnl
CodePDE: An Inference Framework for LLM-driven PDE Solver Generation.
CoRR
Shanda Li, Tanya Marwah, Junhong Shen, Weiwei Sun, Andrej Risteski, Yiming Yang, Ameet Talwalkar
2025 J jnl
Deep Research: A Systematic Survey.
CoRR
Zhengliang Shi, Yiqun Chen, Haitao Li, Weiwei Sun, Shiyu Ni, Yougang Lyu, Run-Ze Fan, Bowen Jin, Yixuan Weng, Minjun Zhu, Qiujie Xie, Xinyu Guo, Qu Yang, Jiayi Wu, Jujia Zhao, Xiaqiang Tang, Xinbei Ma, Cunxiang Wang, Jiaxin Mao, Qingyao Ai, Jen-tse Huang, Wenxuan Wang, Yue Zhang, Yiming Yang, Zhaopeng Tu, Zhaochun Ren
2025 J jnl
Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Models.
CoRR
Zhengliang Shi, Lingyong Yan, Weiwei Sun, Yue Feng, Pengjie Ren, Xinyu Ma, Shuaiqiang Wang, Dawei Yin, Maarten de Rijke, Zhaochun Ren
2025 J jnl
Enhancing Training Data Attribution with Representational Optimization.
CoRR
Weiwei Sun, Haokun Liu, Nikhil Kandpal, Colin Raffel, Yiming Yang
2025 J jnl
Improving Retrieval-Augmented Generation through Multi-Agent Reinforcement Learning.
CoRR
Yiqun Chen, Lingyong Yan, Weiwei Sun, Xinyu Ma, Yi Zhang, Shuaiqiang Wang, Dawei Yin, Yiming Yang, Jiaxin Mao
2025 J jnl
LLM4Ranking: An Easy-to-use Framework of Utilizing Large Language Models for Document Reranking.
CoRR
Qi Liu, Haozhe Duan, Yiqun Chen, Quanfeng Lu, Weiwei Sun, Jiaxin Mao
2025 J jnl
ReasonRank: Empowering Passage Ranking with Strong Reasoning Ability.
CoRR
Wenhan Liu, Xinyu Ma, Weiwei Sun, Yutao Zhu, Yuchen Li, Dawei Yin, Zhicheng Dou
2025 A* conf
Replication and Exploration of Generative Retrieval over Dynamic Corpora.
SIGIR
Zhen Zhang, Xinyu Ma, Weiwei Sun, Pengjie Ren, Zhumin Chen, Shuaiqiang Wang, Dawei Yin, Maarten de Rijke, Zhaochun Ren
2025 J jnl
Replication and Exploration of Generative Retrieval over Dynamic Corpora.
CoRR
Zhen Zhang, Xinyu Ma, Weiwei Sun, Pengjie Ren, Zhumin Chen, Shuaiqiang Wang, Dawei Yin, Maarten de Rijke, Zhaochun Ren
2025 J jnl
Scaling Long-Horizon LLM Agent via Context-Folding.
CoRR
Weiwei Sun, Miao Lu, Zhan Ling, Kang Liu, Xuesong Yao, Yiming Yang, Jiecao Chen
2025 A* conf
TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy.
WWW
Yiqun Chen, Qi Liu, Yi Zhang, Weiwei Sun, Xinyu Ma, Wei Yang, Daiting Shi, Jiaxin Mao, Dawei Yin
2025 J jnl
Towards Community-Driven Agents for Machine Learning Engineering.
CoRR
Sijie Li, Weiwei Sun, Shanda Li, Ameet Talwalkar, Yiming Yang
2025 J jnl
Training Proactive and Personalized LLM Agents.
CoRR
Weiwei Sun, Xuhui Zhou, Weihua Du, Xingyao Wang, Sean Welleck, Graham Neubig, Maarten Sap, Yiming Yang
2025 J jnl
ZeroGR: A Generalizable and Scalable Framework for Zero-Shot Generative Retrieval.
CoRR
Weiwei Sun, Keyi Kong, Xinyu Ma, Shuaiqiang Wang, Dawei Yin, Maarten de Rijke, Zhaochun Ren, Yiming Yang
2024 A conf
Content-Based Collaborative Generation for Recommender Systems.
CIKM
Yidan Wang, Zhaochun Ren, Weiwei Sun, Jiyuan Yang, Zhixiang Liang, Xin Chen, Ruobing Xie, Su Yan, Xu Zhang, Pengjie Ren, Zhumin Chen, Xin Xin
2024 J jnl
Enhanced Generative Recommendation via Content and Collaboration Integration.
CoRR
Yidan Wang, Zhaochun Ren, Weiwei Sun, Jiyuan Yang, Zhixiang Liang, Xin Chen, Ruobing Xie, Su Yan, Xu Zhang, Pengjie Ren, Zhumin Chen, Xin Xin
2024 — conf
Generate-then-Ground in Retrieval-Augmented Generation for Multi-hop Question Answering.
ACL (1)
Zhengliang Shi, Shuo Zhang, Weiwei Sun, Shen Gao, Pengjie Ren, Zhumin Chen, Zhaochun Ren
2024 J jnl
Generate-then-Ground in Retrieval-Augmented Generation for Multi-hop Question Answering.
CoRR
Zhengliang Shi, Shuo Zhang, Weiwei Sun, Shen Gao, Pengjie Ren, Zhumin Chen, Zhaochun Ren
2024 — conf
How Large Language Models Encode Context Knowledge? A Layer-Wise Probing Study.
LREC/COLING
Tianjie Ju, Weiwei Sun, Wei Du, Xinwei Yuan, Zhaochun Ren, Gongshen Liu
2024 J jnl
How Large Language Models Encode Context Knowledge? A Layer-Wise Probing Study.
CoRR
Tianjie Ju, Weiwei Sun, Wei Du, Xinwei Yuan, Zhaochun Ren, Gongshen Liu
2024 — conf
Improving the Robustness of Large Language Models via Consistency Alignment.
LREC/COLING
Yukun Zhao, Lingyong Yan, Weiwei Sun, Guoliang Xing, Shuaiqiang Wang, Chong Meng, Zhicong Cheng, Zhaochun Ren, Dawei Yin
2024 J jnl
Improving the Robustness of Large Language Models via Consistency Alignment.
CoRR
Yukun Zhao, Lingyong Yan, Weiwei Sun, Guoliang Xing, Shuaiqiang Wang, Chong Meng, Zhicong Cheng, Zhaochun Ren, Dawei Yin
2024 — conf
Knowing What LLMs DO NOT Know: A Simple Yet Effective Self-Detection Method.
NAACL-HLT
Yukun Zhao, Lingyong Yan, Weiwei Sun, Guoliang Xing, Chong Meng, Shuaiqiang Wang, Zhicong Cheng, Zhaochun Ren, Dawei Yin
2024 A* conf
MAIR: A Massive Benchmark for Evaluating Instructed Retrieval.
EMNLP
Weiwei Sun, Zhengliang Shi, Wu Long, Lingyong Yan, Xinyu Ma, Yiding Liu, Min Cao, Dawei Yin, Zhaochun Ren
2024 J jnl
MAIR: A Massive Benchmark for Evaluating Instructed Retrieval.
CoRR
Weiwei Sun, Zhengliang Shi, Jiulong Wu, Lingyong Yan, Xinyu Ma, Yiding Liu, Min Cao, Dawei Yin, Zhaochun Ren
2024 — conf
MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter.
ACL (1)
Jitai Hao, Weiwei Sun, Xin Xin, Qi Meng, Zhumin Chen, Pengjie Ren, Zhaochun Ren
2024 J jnl
MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter.
CoRR
Jitai Hao, Weiwei Sun, Xin Xin, Qi Meng, Zhumin Chen, Pengjie Ren, Zhaochun Ren
2024 J jnl
Metaphorical User Simulators for Evaluating Task-oriented Dialogue Systems.
ACM Trans. Inf. Syst.
Weiwei Sun, Shuyu Guo, Shuo Zhang, Pengjie Ren, Zhumin Chen, Maarten de Rijke, Zhaochun Ren
2024 — conf
Recent Advances in Generative Information Retrieval.
WWW (Companion Volume)
Yubao Tang, Ruqing Zhang, Weiwei Sun, Jiafeng Guo, Maarten de Rijke
2024 J jnl
TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategy.
CoRR
Yiqun Chen, Qi Liu, Yi Zhang, Weiwei Sun, Daiting Shi, Jiaxin Mao, Dawei Yin
2023 — conf
Answering Ambiguous Questions via Iterative Prompting.
ACL (1)
Weiwei Sun, Hengyi Cai, Hongshen Chen, Pengjie Ren, Zhumin Chen, Maarten de Rijke, Zhaochun Ren
2023 J jnl
Answering Ambiguous Questions via Iterative Prompting.
CoRR
Weiwei Sun, Hengyi Cai, Hongshen Chen, Pengjie Ren, Zhumin Chen, Maarten de Rijke, Zhaochun Ren
2023 A* conf
Contrastive Learning Reduces Hallucination in Conversations.
AAAI
Weiwei Sun, Zhengliang Shi, Shen Gao, Pengjie Ren, Maarten de Rijke, Zhaochun Ren
2023 J jnl
DiQAD: A Benchmark Dataset for End-to-End Open-domain Dialogue Assessment.
CoRR
Yukun Zhao, Lingyong Yan, Weiwei Sun, Chong Meng, Shuaiqiang Wang, Zhicong Cheng, Zhaochun Ren, Dawei Yin
2023 — conf
DiQAD: A Benchmark Dataset for Open-domain Dialogue Quality Assessment.
EMNLP (Findings)
Yukun Zhao, Lingyong Yan, Weiwei Sun, Chong Meng, Shuaiqiang Wang, Zhicong Cheng, Zhaochun Ren, Dawei Yin
2023 — conf
Generative Knowledge Selection for Knowledge-Grounded Dialogues.
EACL (Findings)
Weiwei Sun, Pengjie Ren, Zhaochun Ren
2023 J jnl
Generative Knowledge Selection for Knowledge-Grounded Dialogues.
CoRR
Weiwei Sun, Pengjie Ren, Zhaochun Ren
2023 J jnl
Instruction Distillation Makes Large Language Models Efficient Zero-shot Rankers.
CoRR
Weiwei Sun, Zheng Chen, Xinyu Ma, Lingyong Yan, Shuaiqiang Wang, Pengjie Ren, Zhumin Chen, Dawei Yin, Zhaochun Ren
2023 J jnl
Is ChatGPT Good at Search? Investigating Large Language Models as Re-Ranking Agent.
CoRR
Weiwei Sun, Lingyong Yan, Xinyu Ma, Pengjie Ren, Dawei Yin, Zhaochun Ren
2023 A* conf
Is ChatGPT Good at Search? Investigating Large Language Models as Re-Ranking Agents.
EMNLP
Weiwei Sun, Lingyong Yan, Xinyu Ma, Shuaiqiang Wang, Pengjie Ren, Zhumin Chen, Dawei Yin, Zhaochun Ren
2023 J jnl
Knowing What LLMs DO NOT Know: A Simple Yet Effective Self-Detection Method.
CoRR
Yukun Zhao, Lingyong Yan, Weiwei Sun, Guoliang Xing, Chong Meng, Shuaiqiang Wang, Zhicong Cheng, Zhaochun Ren, Dawei Yin
2023 A* conf
Learning to Tokenize for Generative Retrieval.
NeurIPS
Weiwei Sun, Lingyong Yan, Zheng Chen, Shuaiqiang Wang, Haichao Zhu, Pengjie Ren, Zhumin Chen, Dawei Yin, Maarten de Rijke, Zhaochun Ren
2023 J jnl
Learning to Tokenize for Generative Retrieval.
CoRR
Weiwei Sun, Lingyong Yan, Zheng Chen, Shuaiqiang Wang, Haichao Zhu, Pengjie Ren, Zhumin Chen, Dawei Yin, Maarten de Rijke, Zhaochun Ren
2023 — conf
RADE: Reference-Assisted Dialogue Evaluation for Open-Domain Dialogue.
ACL (1)
Zhengliang Shi, Weiwei Sun, Shuo Zhang, Zhen Zhang, Pengjie Ren, Zhaochun Ren
2023 J jnl
RADE: Reference-Assisted Dialogue Evaluation for Open-Domain Dialogue.
CoRR
Zhengliang Shi, Weiwei Sun, Shuo Zhang, Zhen Zhang, Pengjie Ren, Zhaochun Ren
2023 A* conf
Towards Explainable Conversational Recommender Systems.
SIGIR
Shuyu Guo, Shuo Zhang, Weiwei Sun, Pengjie Ren, Zhumin Chen, Zhaochun Ren
2023 J jnl
Towards Explainable Conversational Recommender Systems.
CoRR
Shuyu Guo, Shuo Zhang, Weiwei Sun, Pengjie Ren, Zhumin Chen, Zhaochun Ren
2022 J jnl
Contrastive Learning Reduces Hallucination in Conversations.
CoRR
Weiwei Sun, Zhengliang Shi, Shen Gao, Pengjie Ren, Maarten de Rijke, Zhaochun Ren
2021 A* conf
Conversations Powered by Cross-Lingual Knowledge.
SIGIR
Weiwei Sun, Chuan Meng, Qi Meng, Zhaochun Ren, Pengjie Ren, Zhumin Chen, Maarten de Rijke
2021 A* conf
Simulating User Satisfaction for the Evaluation of Task-oriented Dialogue Systems.
SIGIR
Weiwei Sun, Shuo Zhang, Krisztian Balog, Zhaochun Ren, Pengjie Ren, Zhumin Chen, Maarten de Rijke
2021 J jnl
Simulating User Satisfaction for the Evaluation of Task-oriented Dialogue Systems.
CoRR
Weiwei Sun, Shuo Zhang, Krisztian Balog, Zhaochun Ren, Pengjie Ren, Zhumin Chen, Maarten de Rijke
2020 A* conf
DukeNet: A Dual Knowledge Interaction Network for Knowledge-Grounded Conversation.
SIGIR
Chuan Meng, Pengjie Ren, Zhumin Chen, Weiwei Sun, Zhaochun Ren, Zhaopeng Tu, Maarten de Rijke
2017 J jnl
Complex Structure Leads to Overfitting: A Structure Regularization Decoding Method for Natural Language Processing.
CoRR
Xu Sun, Weiwei Sun, Shuming Ma, Xuancheng Ren, Yi Zhang, Wenjie Li, Houfeng Wang