Jun Xu

2026

doi dblp
Enhancing Bandit Algorithms with LLMs for Time-varying User Preferences in Streaming Recommendations.
Chenglei Shen|Yi Zhan|Weijie Yu|Xiao Zhang|Jun Xu
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 3
doi dblp
Empowering open-domain LLMs for legal document correction via legal knowledge integration and decoding constraints.
Kepu Zhang|Weijie Yu|Zhongxiang Sun|Weicong Qin|Jun Xu|Ji-Rong Wen
Information Processing and Management 2026 Volume 63 Issue 6
doi dblp
Economic Perspectives on Fairness in Information Retrieval.
Chen Xu|Clara Rus|Yuanna Liu|Marleen de Jonge|Jun Xu|Maarten de Rijke
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part IV
doi dblp
Fairness in Information Retrieval: An Economic Perspective.
Chen Xu|Clara Rus|Yuanna Liu|Marleen de Jonge|Jun Xu|Maarten de Rijke
Proceedings of the 2026 International Conference on Multimedia Retrieval, ICMR 2026, Amsterdam, The Netherlands, June 16-19, 2026
doi dblp
Counteracting the Delayed Conversions in OCPC with Survival Analysis.
Leping Zhang|Chenxuan He|Xiao Zhang|Yichao Wang|Tengxiang Zhang|Zhenhua Dong|Jun Xu
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
doi dblp
Room Matters: Dynamic Room-level Collaboration Information Modeling for Live Streaming Recommendation.
Ke Guo|Changle Qu|Xiao Zhang|Liqin Zhao|Shijun Wang|Yanan Niu|Jun Xu
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.
doi dblp
Unveiling and Simulating Short-Video Addiction Behaviors via Economic Addiction Theory.
Chen Xu|Zhipeng Yi|Ruizi Wang|Wenjie Wang|Jun Xu|Maarten de Rijke
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.
doi dblp
Towards a Responsible Web: Economic Perspectives on Fairness in Information Retrieval.
Chen Xu|Clara Rus|Yuanna Liu|Marleen de Jonge|Jun Xu|Maarten de Rijke
Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

2025

doi dblp
LTP-MMF: Toward Long-Term Provider Max-Min Fairness under Recommendation Feedback Loops.
Chen Xu|Xiaopeng Ye|Jun Xu|Xiao Zhang|Weiran Shen|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1
doi dblp
User Behavior Simulation with Large Language Model-based Agents.
Lei Wang|Jingsen Zhang|Hao Yang|Zhiyuan Chen|Jiakai Tang|Zeyu Zhang|Xu Chen|Yankai Lin|Hao Sun|Ruihua Song|Xin Zhao|Jun Xu|Zhicheng Dou|Jun Wang|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2
doi dblp
Adapting Constrained Markov Decision Process for OCPC Bidding with Delayed Conversions.
Leping Zhang|Xiao Zhang|Yichao Wang|Xuan Li|Zhenhua Dong|Jun Xu
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2
doi dblp
BordaRAG: Resolving Knowledge Conflict in Retrieval-Augmented Generation via Borda Voting Process.
Yuxin Li|Chen Xu|Jun Xu|Ji-Rong Wen
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Benefit from Rich: Tackling Search Interaction Sparsity in Search Enhanced Recommendation.
Teng Shi|Weijie Yu|Xiao Zhang|Ming He|Jianping Fan|Jun Xu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
SyLeR: A Framework for Explicit Syllogistic Legal Reasoning in Large Language Models.
Kepu Zhang|Weijie Yu|Zhongxiang Sun|Jun Xu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
PrLM: Learning Explicit Reasoning for Personalized RAG via Contrastive Reward Optimization.
Kepu Zhang|Teng Shi|Weijie Yu|Jun Xu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Exploring the Escalation of Source Bias in User, Data, and Recommender System Feedback Loop.
Yuqi Zhou|Sunhao Dai|Liang Pang|Gang Wang|Zhenhua Dong|Jun Xu|Ji-Rong Wen
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
FairDiverse: A Comprehensive Toolkit for Fairness- and Diversity-aware Information Retrieval.
Chen Xu|Zhirui Deng|Clara Rus|Xiaopeng Ye|Yuanna Liu|Jun Xu|Zhicheng Dou|Ji-Rong Wen|Maarten de Rijke
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Fairness in Information Retrieval from an Economic Perspective.
Chen Xu|Clara Rus|Yuanna Liu|Marleen de Jonge|Jun Xu|Maarten de Rijke
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Understanding Accuracy-Fairness Trade-offs in Re-ranking through Elasticity in Economics.
Chen Xu|Jujia Zhao|Wenjie Wang|Liang Pang|Jun Xu|Tat-Seng Chua|Maarten de Rijke
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Mitigating Source Bias with LLM Alignment.
Sunhao Dai|Yuqi Zhou|Liang Pang|Zhuoyang Li|Zhaocheng Du|Gang Wang|Jun Xu
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
NExT-Search: Rebuilding User Feedback Ecosystem for Generative AI Search.
Sunhao Dai|Wenjie Wang|Liang Pang|Jun Xu|See-Kiong Ng|Ji-Rong Wen|Tat-Seng Chua
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Bridging Short Videos and Streamers with Multi-Graph Contrastive Learning for Live Streaming Recommendation.
Changle Qu|Liqin Zhao|Yanan Niu|Xiao Zhang|Jun Xu
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generation.
Teng Shi|Jun Xu|Xiao Zhang|Xiaoxue Zang|Kai Zheng|Yang Song|Han Li
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
ReARTeR: Retrieval-Augmented Reasoning with Trustworthy Process Rewarding.
Zhongxiang Sun|Qipeng Wang|Weijie Yu|Xiaoxue Zang|Kai Zheng|Jun Xu|Xiao Zhang|Yang Song|Han Li
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
LLM-Empowered Creator Simulation for Long-Term Evaluation of Recommender Systems Under Information Asymmetry.
Xiaopeng Ye|Chen Xu|Zhongxiang Sun|Jun Xu|Gang Wang|Zhenhua Dong|Ji-Rong Wen
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Unifying Bias and Unfairness in Information Retrieval: New Challenges in the LLM Era.
Sunhao Dai|Chen Xu|Shicheng Xu|Liang Pang|Zhenhua Dong|Jun Xu
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
LargePiG for Hallucination-Free Query Generation: Your Large Language Model is Secretly a Pointer Generator.
Zhongxiang Sun|Zihua Si|Xiaoxue Zang|Kai Zheng|Yang Song|Xiao Zhang|Jun Xu
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp
Syntactic-Informed Graph Networks for Sentence Matching.
Chen Xu|Jun Xu|Zhenhua Dong|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 2
doi dblp
Towards Completeness-Oriented Tool Retrieval for Large Language Models.
Changle Qu|Sunhao Dai|Xiaochi Wei|Hengyi Cai|Shuaiqiang Wang|Dawei Yin|Jun Xu|Ji-Rong Wen
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
Large Language Models Enhanced Collaborative Filtering.
Zhongxiang Sun|Zihua Si|Xiaoxue Zang|Kai Zheng|Yang Song|Xiao Zhang|Jun Xu
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
Guaranteeing Accuracy and Fairness under Fluctuating User Traffic: A Bankruptcy-Inspired Re-ranking Approach.
Xiaopeng Ye|Chen Xu|Jun Xu|Xuyang Xie|Gang Wang|Zhenhua Dong
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
SAQRec: Aligning Recommender Systems to User Satisfaction via Questionnaire Feedback.
Kepu Zhang|Teng Shi|Sunhao Dai|Xiao Zhang|Yinfeng Li|Jing Lu|Xiaoxue Zang|Yang Song|Jun Xu
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
A Taxation Perspective for Fair Re-ranking.
Chen Xu|Xiaopeng Ye|Wenjie Wang|Liang Pang|Jun Xu|Tat-Seng Chua
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
ReCODE: Modeling Repeat Consumption with Neural ODE.
Sunhao Dai|Changle Qu|Sirui Chen|Xiao Zhang|Jun Xu
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Explicitly Integrating Judgment Prediction with Legal Document Retrieval: A Law-Guided Generative Approach.
Weicong Qin|Zelin Cao|Weijie Yu|Zihua Si|Sirui Chen|Jun Xu
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
UniSAR: Modeling User Transition Behaviors between Search and Recommendation.
Teng Shi|Zihua Si|Jun Xu|Xiao Zhang|Xiaoxue Zang|Kai Zheng|Dewei Leng|Yanan Niu|Yang Song
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
To Search or to Recommend: Predicting Open-App Motivation with Neural Hawkes Process.
Zhongxiang Sun|Zihua Si|Xiao Zhang|Xiaoxue Zang|Yang Song|Hongteng Xu|Jun Xu
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Invisible Relevance Bias: Text-Image Retrieval Models Prefer AI-Generated Images.
Shicheng Xu|Danyang Hou|Liang Pang|Jingcheng Deng|Jun Xu|Huawei Shen|Xueqi Cheng
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Reinforcing Long-Term Performance in Recommender Systems with User-Oriented Exploration Policy.
Changshuo Zhang|Sirui Chen|Xiao Zhang|Sunhao Dai|Weijie Yu|Jun Xu
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
List-aware Reranking-Truncation Joint Model for Search and Retrieval-augmented Generation.
Shicheng Xu|Liang Pang|Jun Xu|Huawei Shen|Xueqi Cheng
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
doi dblp
FairSync: Ensuring Amortized Group Exposure in Distributed Recommendation Retrieval.
Chen Xu|Jun Xu|Yiming Ding|Xiao Zhang|Qi Qi
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

doi dblp
Enhancing Recommendation with Search Data in a Causal Learning Manner.
Zihua Si|Zhongxiang Sun|Xiao Zhang|Jun Xu|Yang Song|Xiaoxue Zang|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4
doi dblp
Dually Enhanced Delayed Feedback Modeling for Streaming Conversion Rate Prediction.
Sunhao Dai|Yuqi Zhou|Jun Xu|Ji-Rong Wen
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
HyperBandit: Contextual Bandit with Hypernewtork for Time-Varying User Preferences in Streaming Recommendation.
Chenglei Shen|Xiao Zhang|Wei Wei|Jun Xu
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
KuaiSAR: A Unified Search And Recommendation Dataset.
Zhongxiang Sun|Zihua Si|Xiaoxue Zang|Dewei Leng|Yanan Niu|Yang Song|Xiao Zhang|Jun Xu
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
When Search Meets Recommendation: Learning Disentangled Search Representation for Recommendation.
Zihua Si|Zhongxiang Sun|Xiao Zhang|Jun Xu|Xiaoxue Zang|Yang Song|Kun Gai|Ji-Rong Wen
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
Law Article-Enhanced Legal Case Matching: A Causal Learning Approach.
Zhongxiang Sun|Jun Xu|Xiao Zhang|Zhenhua Dong|Ji-Rong Wen
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
Separating Examination and Trust Bias from Click Predictions for Unbiased Relevance Ranking.
Haiyuan Zhao|Jun Xu|Xiao Zhang|Guohao Cai|Zhenhua Dong|Ji-Rong Wen
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
doi dblp
P-MMF: Provider Max-min Fairness Re-ranking in Recommender System.
Chen Xu|Sirui Chen|Jun Xu|Weiran Shen|Xiao Zhang|Gang Wang|Zhenhua Dong
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

doi dblp
Dually Enhanced Propensity Score Estimation in Sequential Recommendation.
Chen Xu|Jun Xu|Xu Chen|Zhenhua Dong|Ji-Rong Wen
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
A Tag-Based Post-Hoc Framework for Explainable Conversational Recommendation.
Kerui Xu|Jun Xu|Sheng Gao|Si Li|Jun Guo|Ji-Rong Wen
ICTIR '22: The 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, Madrid, Spain, July 11 - 12, 2022
doi dblp
Explainable Legal Case Matching via Inverse Optimal Transport-based Rationale Extraction.
Weijie Yu|Zhongxiang Sun|Jun Xu|Zhenhua Dong|Xu Chen|Hongteng Xu|Ji-Rong Wen
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
doi dblp
A Model-Agnostic Causal Learning Framework for Recommendation using Search Data.
Zihua Si|Xueran Han|Xiao Zhang|Jun Xu|Yue Yin|Yang Song|Ji-Rong Wen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
RLPS: A Reinforcement Learning-Based Framework for Personalized Search.
Jing Yao|Zhicheng Dou|Jun Xu|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 3
doi dblp
Beyond Probability Ranking Principle: Modeling the Dependencies among Documents.
Liang Pang|Qingyao Ai|Jun Xu
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Counterfactual Reward Modification for Streaming Recommendation with Delayed Feedback.
Xiao Zhang|Haonan Jia|Hanjing Su|Wenhan Wang|Jun Xu|Ji-Rong Wen
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Beyond Probability Ranking Principle: Modeling the Dependencies among Documents.
Liang Pang|Qingyao Ai|Jun Xu
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
doi dblp
Adapting User Preference to Online Feedback in Multi-round Conversational Recommendation.
Kerui Xu|Jingxuan Yang|Jun Xu|Sheng Gao|Jun Guo|Ji-Rong Wen
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021

2020

doi dblp
Deep Learning for Matching in Search and Recommendation.
Jun Xu|Xiangnan He|Hang Li
Foundations and Trends in Information Retrieval 2020 Volume 14 Issue 2-3
doi dblp
SetRank: Learning a Permutation-Invariant Ranking Model for Information Retrieval.
Liang Pang|Jun Xu|Qingyao Ai|Yanyan Lan|Xueqi Cheng|Jirong Wen
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Reinforcement Learning to Rank with Pairwise Policy Gradient.
Jun Xu|Zeng Wei|Long Xia|Yanyan Lan|Dawei Yin|Xueqi Cheng|Ji-Rong Wen
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
RLPer: A Reinforcement Learning Model for Personalized Search.
Jing Yao|Zhicheng Dou|Jun Xu|Ji-Rong Wen
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

doi dblp
Context-Aware Ranking by Constructing a Virtual Environment for Reinforcement Learning.
Junqi Zhang|Jiaxin Mao|Yiqun Liu|Ruizhe Zhang|Min Zhang|Shaoping Ma|Jun Xu|Qi Tian
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
doi dblp
Name Entity Recognition with Policy-Value Networks.
Yadi Lao|Jun Xu|Sheng Gao|Jun Guo|Ji-Rong Wen
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
doi dblp
PSGAN: A Minimax Game for Personalized Search with Limited and Noisy Click Data.
Shuqi Lu|Zhicheng Dou|Jun Xu|Jian-Yun Nie|Ji-Rong Wen
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
doi dblp
Deep Learning for Matching in Search and Recommendation.
Jun Xu|Xiangnan He|Hang Li
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

2018

doi dblp
RI-Match: Integrating Both Representations and Interactions for Deep Semantic Matching.
Lijuan Chen|Yanyan Lan|Liang Pang|Jiafeng Guo|Jun Xu|Xueqi Cheng
Information Retrieval Technology - 14th Asia Information Retrieval Societies Conference, AIRS 2018, Taipei, Taiwan, November 28-30, 2018, Proceedings
doi dblp
A Comparison Between Term-Based and Embedding-Based Methods for Initial Retrieval.
Tonglei Guo|Jiafeng Guo|Yixing Fan|Yanyan Lan|Jun Xu|Xueqi Cheng
Information Retrieval - 24th China Conference, CCIR 2018, Guilin, China, September 27-29, 2018, Proceedings
doi dblp
Text Matching with Monte Carlo Tree Search.
Yixuan He|Shuchang Tao|Jun Xu|Jiafeng Guo|Yanyan Lan|Xueqi Cheng
Information Retrieval - 24th China Conference, CCIR 2018, Guilin, China, September 27-29, 2018, Proceedings
doi dblp
Hierarchical Answer Selection Framework for Multi-passage Machine Reading Comprehension.
Zhaohui Li|Jun Xu|Yanyan Lan|Jiafeng Guo|Yue Feng|Xueqi Cheng
Information Retrieval - 24th China Conference, CCIR 2018, Guilin, China, September 27-29, 2018, Proceedings
doi dblp
Generative Paragraph Vector.
Ruqing Zhang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Information Retrieval - 24th China Conference, CCIR 2018, Guilin, China, September 27-29, 2018, Proceedings
doi dblp
Neighborhood Voting: A Novel Search Scheme for Hashing.
Yan Xiao|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
Question Headline Generation for News Articles.
Ruqing Zhang|Jiafeng Guo|Yixing Fan|Yanyan Lan|Jun Xu|Huanhuan Cao|Xueqi Cheng
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
Spherical Paragraph Model.
Ruqing Zhang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
doi dblp
Aggregating Neural Word Embeddings for Document Representation.
Ruqing Zhang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
doi dblp
MQGrad: Reinforcement Learning of Gradient Quantization in Parameter Server.
Guoxin Cui|Jun Xu|Wei Zeng|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018
doi dblp
Multi Page Search with Reinforcement Learning to Rank.
Wei Zeng|Jun Xu|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018
doi dblp
Modeling Diverse Relevance Patterns in Ad-hoc Retrieval.
Yixing Fan|Jiafeng Guo|Yanyan Lan|Jun Xu|Chengxiang Zhai|Xueqi Cheng
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
doi dblp
From Greedy Selection to Exploratory Decision-Making: Diverse Ranking with Policy-Value Networks.
Yue Feng|Jun Xu|Yanyan Lan|Jiafeng Guo|Wei Zeng|Xueqi Cheng
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
doi dblp
Deep Learning for Matching in Search and Recommendation.
Jun Xu|Xiangnan He|Hang Li
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
doi dblp
Reducing Variance in Gradient Bandit Algorithm using Antithetic Variates Method.
Sihao Yu|Jun Xu|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

2017

doi dblp
Directly Optimize Diversity Evaluation Measures: A New Approach to Search Result Diversification.
Jun Xu|Long Xia|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
ACM Transactions on Intelligent Systems and Technology (TIST) 2017 Volume 8 Issue 3
doi dblp
Academic Access Data Analysis for Literature Recommendation.
Yixing Fan|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Information Retrieval - 23rd China conference, CCIR 2017, Shanghai, China, July 13-14, 2017, Proceedings
doi dblp
Neural or Statistical: An Empirical Study on Language Models for Chinese Input Recommendation on Mobile.
Hainan Zhang|Yanyan Lan|Jiafeng Guo|Jun Xu|Xueqi Cheng
Information Retrieval - 23rd China conference, CCIR 2017, Shanghai, China, July 13-14, 2017, Proceedings
doi dblp
Learning Visual Features from Snapshots for Web Search.
Yixing Fan|Jiafeng Guo|Yanyan Lan|Jun Xu|Liang Pang|Xueqi Cheng
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
DeepRank: A New Deep Architecture for Relevance Ranking in Information Retrieval.
Liang Pang|Yanyan Lan|Jiafeng Guo|Jun Xu|Jingfang Xu|Xueqi Cheng
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
Reinforcement Learning to Rank with Markov Decision Process.
Zheng Wei|Jun Xu|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
doi dblp
Adapting Markov Decision Process for Search Result Diversification.
Long Xia|Jun Xu|Yanyan Lan|Jiafeng Guo|Wei Zeng|Xueqi Cheng
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

doi dblp
Factorizing Sequential and Historical Purchase Data for Basket Recommendation.
Pengfei Wang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Information Retrieval Technology - 12th Asia Information Retrieval Societies Conference, AIRS 2016, Beijing, China, November 30 - December 2, 2016, Proceedings
doi dblp
Incorporating Semantic Knowledge into Latent Matching Model in Search.
Shuxin Wang|Xin Jiang|Hang Li|Jun Xu|Bin Wang
Information Retrieval Technology - 12th Asia Information Retrieval Societies Conference, AIRS 2016, Beijing, China, November 30 - December 2, 2016, Proceedings
doi dblp
Ease the Process of Machine Learning with Dataflow.
Tianyou Guo|Jun Xu|Xiaohui Yan|Jianpeng Hou|Ping Li|Zhaohui Li|Jiafeng Guo|Xueqi Cheng
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016
doi dblp
Multi-task Representation Learning for Demographic Prediction.
Pengfei Wang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings
doi dblp
Modeling Document Novelty with Neural Tensor Network for Search Result Diversification.
Long Xia|Jun Xu|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016
doi dblp
Your Cart tells You: Inferring Demographic Attributes from Purchase Data.
Pengfei Wang|Jiafeng Guo|Yanyan Lan|Jun Xu|Xueqi Cheng
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, San Francisco, CA, USA, February 22-25, 2016

2015

doi dblp
Modeling Parameter Interactions in Ranking SVM.
Yaogong Zhang|Jun Xu|Yanyan Lan|Jiafeng Guo|Maoqiang Xie|Yalou Huang|Xueqi Cheng
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015
doi dblp
Learning Hierarchical Representation Model for NextBasket Recommendation.
Pengfei Wang|Jiafeng Guo|Yanyan Lan|Jun Xu|Shengxian Wan|Xueqi Cheng
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015
doi dblp
Learning Maximal Marginal Relevance Model via Directly Optimizing Diversity Evaluation Measures.
Long Xia|Jun Xu|Yanyan Lan|Jiafeng Guo|Xueqi Cheng
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

2014

doi dblp
Semantic Matching in Search.
Hang Li|Jun Xu
Foundations and Trends in Information Retrieval 2014 Volume 7 Issue 5
doi dblp
User Message Model: A New Approach to Scalable User Modeling on Microblog.
Quan Wang|Jun Xu|Hang Li
Information Retrieval Technology - 10th Asia Information Retrieval Societies Conference, AIRS 2014, Kuching, Malaysia, December 3-5, 2014. Proceedings
doi dblp
Ranking Optimization with Constraints.
Fangzhao Wu|Jun Xu|Hang Li|Xin Jiang
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014
doi dblp
SIGIR 2014 workshop on semantic matching in information retrieval.
Julio Gonzalo|Hang Li|Alessandro Moschitti|Jun Xu
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2013

doi dblp
Regularized Latent Semantic Indexing: A New Approach to Large-Scale Topic Modeling.
Quan Wang|Jun Xu|Hang Li|Nick Craswell
ACM Transactions on Information Systems (TOIS) 2013 Volume 31 Issue 1
doi dblp
Learning query and document similarities from click-through bipartite graph with metadata.
Wei Wu|Hang Li|Jun Xu
Sixth ACM International Conference on Web Search and Data Mining, WSDM 2013, Rome, Italy, February 4-8, 2013

2012

doi dblp
Beyond bag-of-words: machine learning for query-document matching in web search.
Hang Li|Jun Xu
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012
doi dblp
Group matrix factorization for scalable topic modeling.
Quan Wang|Zheng Cao|Jun Xu|Hang Li
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012
doi dblp
Machine learning for query-document matching in search.
Hang Li|Jun Xu
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, WSDM 2012, Seattle, WA, USA, February 8-12, 2012

2011

doi dblp
Regularized latent semantic indexing.
Quan Wang|Jun Xu|Hang Li|Nick Craswell
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011
doi dblp
A kernel approach to addressing term mismatch.
Jun Xu|Wei Wu|Hang Li|Gu Xu
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011 (Companion Volume)

2010

doi dblp
LETOR: A benchmark collection for research on learning to rank for information retrieval.
Tao Qin|Tie-Yan Liu|Jun Xu|Hang Li
Discover Computing 2010 Volume 13 Issue 4
doi dblp
Relevance Ranking Using Kernels.
Jun Xu|Hang Li|Chaoliang Zhong
Information Retrieval Technology - 6th Asia Information Retrieval Societies Conference, AIRS 2010, Taipei, Taiwan, December 1-3, 2010. Proceedings

2008

doi dblp
Group-based learning: a boosting approach.
Weijian Ni|Jun Xu|Hang Li|Yalou Huang
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008
doi dblp
Directly optimizing evaluation measures in learning to rank.
Jun Xu|Tie-Yan Liu|Min Lu|Hang Li|Wei-Ying Ma
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

2007

doi dblp
Searching Documents Based on Relevance and Type.
Jun Xu|Yunbo Cao|Hang Li|Nick Craswell|Yalou Huang
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings
doi dblp
AdaRank: a boosting algorithm for information retrieval.
Jun Xu|Hang Li
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

2006

doi dblp
Adapting ranking SVM to document retrieval.
Yunbo Cao|Jun Xu|Tie-Yan Liu|Hang Li|Yalou Huang|Hsiao-Wuen Hon
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

2005

doi dblp
A new approach to intranet search based on information extraction.
Hang Li|Yunbo Cao|Jun Xu|Yunhua Hu|Shenjie Li|Dmitriy Meyerzon
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005
doi dblp
Ranking definitions with supervised learning methods.
Jun Xu|Yunbo Cao|Hang Li|Min Zhao
Proceedings of the 14th international conference on World Wide Web, WWW 2005, Chiba, Japan, May 10-14, 2005 - Special interest tracks and posters