THUIR at NTCIR-13 WWW Task. - Yukun Zheng; Cheng Luo 001; Weixuan Wu; Jia Chen 003; Yiqun Liu 001; Huanbo Luan; Min Zhang 006; Shaoping Ma (NTCIR, 2017)

Improving Session Search Performance with a Multi-MDP Model. - Jia Chen 003; Yiqun Liu 001; Cheng Luo 001; Jiaxin Mao; Min Zhang 006; Shaoping Ma (AIRS, 2018)

Investigating Query Reformulation Behavior of Search Users. - Jia Chen 003; Jiaxin Mao; Yiqun Liu 001; Min Zhang 006; Shaoping Ma (CCIR, 2019)

TianGong-ST: A New Dataset with Large-scale Refined Real-world Web Search Sessions. - Jia Chen 003; Jiaxin Mao; Yiqun Liu 001; Min Zhang 006; Shaoping Ma (CIKM, 2019)

Improving Search Snippets in Context-Aware Web Search Scenarios. - Jia Chen 003; Jiaxin Mao; Yiqun Liu 001; Min Zhang 006; Shaoping Ma (CCIR, 2020)

Beyond Sessions: Exploiting Hybrid Contextual Information for Web Search. - Jia Chen 003 (WSDM, 2020)

A Context-Aware Click Model for Web Search. - Jia Chen 003; Jiaxin Mao; Yiqun Liu 001; Min Zhang 006; Shaoping Ma (WSDM, 2020)

Incorporating Query Reformulating Behavior into Web Search Evaluation. - Jia Chen 003; Yiqun Liu 001; Jiaxin Mao; Fan Zhang 053; Tetsuya Sakai; Weizhi Ma; Min Zhang 006; Shaoping Ma (CIKM, 2021)

Towards a Better Understanding of Query Reformulation Behavior in Web Search. - Jia Chen 003; Jiaxin Mao; Yiqun Liu 001; Fan Zhang 053; Min Zhang 006; Shaoping Ma (WWW, 2021)

Pre-training Methods in Information Retrieval. - Yixing Fan; Xiaohui Xie; Yinqiong Cai; Jia Chen 003; Xinyu Ma; Xiangsheng Li; Ruqing Zhang 001; Jiafeng Guo; Yiqun Liu 001 (CoRR, 2021)

A Hybrid Framework for Session Context Modeling. - Jia Chen 003; Jiaxin Mao; Yiqun Liu 001; Ziyi Ye; Weizhi Ma; Chao Wang 049; Min Zhang 006; Shaoping Ma (ACM Trans. Inf. Syst., 2021)

Overview of the NTCIR-16 Session Search (SS) Task. - Jia Chen 003; Weihao Wu; Jiaxin Mao; Beining Wang; Fan Zhang 053; Yiqun Liu 001 (NTCIR, 2022)

Axiomatically Regularized Pre-training for Ad hoc Search. - Jia Chen 003; Yiqun Liu 001; Yan Fang; Jiaxin Mao; Hui Fang 001; Shenghao Yang 004; Xiaohui Xie; Min Zhang 006; Shaoping Ma (SIGIR, 2022)

Pre-training Methods in Information Retrieval. - Yixing Fan; Xiaohui Xie; Yinqiong Cai; Jia Chen 003; Xinyu Ma; Xiangsheng Li; Ruqing Zhang 001; Jiafeng Guo (Found. Trends Inf. Retr., 2022)

Overview of the NTCIR-17 Session Search (SS-2) Task. - Haitao Li 006; Jia Chen 003; Jiannan Wang; Weihang Su; Qingyao Ai; Xinyan Han; Beining Wang; Yiqun Liu 001 (NTCIR, 2023)

SAILER: Structure-aware Pre-trained Language Model for Legal Case Retrieval. - Haitao Li 006; Qingyao Ai; Jia Chen 003; Qian Dong; Yueyue Wu; Yiqun Liu 001; Chong Chen 001; Qi Tian 001 (SIGIR, 2023)

Towards Better Web Search Performance: Pre-training, Fine-tuning and Learning to Rank. - Haitao Li 006; Jia Chen 003; Weihang Su; Qingyao Ai; Yiqun Liu 001 (CoRR, 2023)

THUIR at WSDM Cup 2023 Task 1: Unbiased Learning to Rank. - Jia Chen 003; Haitao Li 006; Weihang Su; Qingyao Ai; Yiqun Liu 001 (CoRR, 2023)

Wikiformer: Pre-training with Structured Information of Wikipedia for Ad-Hoc Retrieval. - Weihang Su; Qingyao Ai; Xiangsheng Li; Jia Chen 003; Yiqun Liu 001; Xiaolong Wu; Shengluan Hou (AAAI, 2024)

Scaling Laws For Dense Retrieval. - Yan Fang; Jingtao Zhan; Qingyao Ai; Jiaxin Mao; Weihang Su; Jia Chen 003; Yiqun Liu 001 (SIGIR, 2024)

Capability-aware Prompt Reformulation Learning for Text-to-Image Generation. - Jingtao Zhan; Qingyao Ai; Yiqun Liu 001; Jia Chen 003; Shaoping Ma (SIGIR, 2024)

BLADE: Enhancing Black-box Large Language Models with Small Domain-Specific Models. - Haitao Li 006; Qingyao Ai; Jia Chen 003; Qian Dong; Zhijing Wu 001; Yiqun Liu 001; Chong Chen 001; Qi Tian 001 (CoRR, 2024)

DELTA: Pre-train a Discriminative Encoder for Legal Case Retrieval via Structural Word Alignment. - Haitao Li 006; Qingyao Ai; Xinyan Han; Jia Chen 003; Qian Dong; Yiqun Liu 001; Chong Chen 001; Qi Tian 001 (CoRR, 2024)

BLADE: Enhancing Black-Box Large Language Models with Small Domain-Specific Models. - Haitao Li 006; Qingyao Ai; Jia Chen 003; Qian Dong; Zhijing Wu 001; Yiqun Liu 001 (AAAI, 2025)

DELTA: Pre-Train a Discriminative Encoder for Legal Case Retrieval via Structural Word Alignment. - Haitao Li 006; Qingyao Ai; Xinyan Han; Jia Chen 003; Qian Dong; Yiqun Liu 001 (AAAI, 2025)

Qilin: A Multimodal Information Retrieval Dataset with APP-level User Sessions. - Jia Chen 003; Qian Dong; Haitao Li 006; Xiaohui He 002; Yan Gao 017; Shaosheng Cao; Yi Wu; Ping Yang; Chen Xu; Yao Hu 002; Qingyao Ai; Yiqun Liu 001 (SIGIR, 2025)

PaRT: Enhancing Proactive Social Chatbots with Personalized Real-Time Retrieval. - Zihan Niu; Zheyong Xie; Shaosheng Cao; Chonggang Lu; Zheyu Ye; Tong Xu 001; Zuozhu Liu; Yan Gao 017; Jia Chen 003; Zhe Xu; Yi Wu; Yao Hu 002 (SIGIR, 2025)

Towards Better Evaluating Multi-Query Sessions: A Measure Based on the Theory of Planned Behavior. - Wenbo Zhang; Fan Zhang 053; Jia Chen 003; Wei Lu 019 (SIGIR, 2025)

CaseGen: A Benchmark for Multi-Stage Legal Case Documents Generation. - Haitao Li 006; Jiaying Ye; Yiran Hu; Jia Chen 003; Qingyao Ai; Yueyue Wu; Junjie Chen; Yifan Chen; Cheng Luo 001; Quan Zhou; Yiqun Liu 001 (CoRR, 2025)

SelfRACG: Enabling LLMs to Self-Express and Retrieve for Code Generation. - Qian Dong; Jia Chen 003; Qingyao Ai; Hongning Wang; Haitao Li 006; Yi Wu; Yao Hu 002; Yiqun Liu 001; Shaoping Ma (CoRR, 2025)