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Jun Xu

Renmin University of China, School of Information, Beijing Key Laboratory of Big Data Management and Analysis Methods, China

78 papers at tracked venues · 56 at CORE A* · active 2024–2026

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Venues

SIGIR ×27ACL ×10CIKM ×8EMNLP ×7WWW ×6SIGKDD ×5ICLR ×4RecSys ×4AAAI ×2WSDM ×2ECIR ×1ICDE ×1NeurIPS ×1

Frequent coauthors

Chen Xu
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Sunhao Dai
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Zhongxiang Sun
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Kepu Zhang
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Changle Qu
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Teng Shi
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Yuqi Zhou
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Weicong Qin
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Changshuo Zhang
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Xiaopeng Ye
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Yuan Wang
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Shicheng Xu
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Papers

  1. Counteracting the Delayed Conversions in OCPC with Survival Analysis
    WSDM 2026 ·
    Leping Zhang
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  2. DLLM-Searcher: Adapting Diffusion Language Model for Efficient Search Agents
    SIGIR 2026 ·
    Jiahao Zhao
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  3. Deep Search with Hierarchical Meta-Cognitive Monitoring Inspired by Cognitive Neuroscience
    SIGIR 2026 ·
    Zhongxiang Sun
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  4. Disentangling from Collaborative and Semantic Views: Graph Collaborative Filtering for Q&A Recommendation
    SIGIR 2026 ·
    Changshuo Zhang
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  5. Economic Perspectives on Fairness in Information Retrieval
    ECIR 2026 ·
    Chen Xu
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  6. Efficient Paths and Dense Rewards: Probabilistic Flow Reasoning for Large Language Models
    ACL 2026 ·
    Yan Liu
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  7. Fine-Mem: Fine-Grained Feedback Alignment for Long-Horizon Memory Management
    ACL 2026 ·
    Weitao Ma
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  8. GenRecEdit: Adapting Model Editing for Generative Recommendation with Cold-Start Items
    SIGIR 2026 ·
    Chenglei Shen
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  9. KuaiLive: A Real-time Interactive Dataset for Live Streaming Recommendation
    SIGIR 2026 ·
    Changle Qu
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  10. Large-Scale Online Learning for Generative List Recommendation in E-commerce: An Environment Policy Optimization Approach
    SIGIR 2026 ·
    Yuan Wang
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  11. Learning to Retrieve from Agent Trajectories
    SIGIR 2026 ·
    Yuqi Zhou
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  12. MatchTIR: Fine-Grained Supervision for Tool-Integrated Reasoning via Bipartite Matching
    ACL 2026 ·
    Changle Qu
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  13. Mining Informative Interests via Latent Cross Reasoning for Search Enhanced Recommendation
    SIGIR 2026 ·
    Teng Shi
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  14. QE-RAG: A Robust Retrieval-Augmented Generation Benchmark for Query Entry Errors
    SIGIR 2026 ·
    Kepu Zhang
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  15. Room Matters: Dynamic Room-level Collaboration Information Modeling for Live Streaming Recommendation
    WWW 2026 ·
    Ke Guo
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  16. The Attention Market: Interpreting Online Fair Re-ranking as Manifold Optimization under Walrasian Equilibrium
    SIGIR 2026 ·
    Chen Xu
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  17. Towards a Responsible Web: Economic Perspectives on Fairness in Information Retrieval
    WWW 2026 ·
    Chen Xu
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  18. Unveiling and Simulating Short-Video Addiction Behaviors via Economic Addiction Theory
    WWW 2026 ·
    Chen Xu
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  19. When Personalization Misleads: Understanding and Mitigating Hallucinations in Personalized LLMs
    ACL 2026 ·
    Zhongxiang Sun
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  20. AdaO2B: Adaptive Online to Batch Conversion for Out-of-Distribution Generalization
    AAAI 2025 ·
    Xiao Zhang
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  21. Benefit from Rich: Tackling Search Interaction Sparsity in Search Enhanced Recommendation
    CIKM 2025 ·
    Teng Shi
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  22. Beyond Guilt: Legal Judgment Prediction with Trichotomous Reasoning
    EMNLP 2025 ·
    Kepu Zhang
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  23. BordaRAG: Resolving Knowledge Conflict in Retrieval-Augmented Generation via Borda Voting Process
    CIKM 2025 ·
    Yuxin Li
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  24. Bridging Jensen Gap for Max-Min Group Fairness Optimization in Recommendation
    ICLR 2025 ·
    Chen Xu
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  25. Bridging Short Videos and Streamers with Multi-Graph Contrastive Learning for Live Streaming Recommendation
    SIGIR 2025 ·
    Changle Qu
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  26. CitaLaw: Enhancing LLM with Citations in Legal Domain
    ACL 2025 ·
    Kepu Zhang
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  27. Exploring the Escalation of Source Bias in User, Data, and Recommender System Feedback Loop
    SIGIR 2025 ·
    Yuqi Zhou
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  28. FairDiverse: A Comprehensive Toolkit for Fairness- and Diversity-aware Information Retrieval
    SIGIR 2025 ·
    Chen Xu
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  29. Fairness in Information Retrieval from an Economic Perspective
    SIGIR 2025 ·
    Chen Xu
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  30. From Exploration to Mastery: Enabling LLMs to Master Tools via Self-Driven Interactions
    ICLR 2025 ·
    Changle Qu
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  31. GUI-G1: Understanding R1-Zero-Like Training for Visual Grounding in GUI Agents
    NeurIPS 2025 ·
    Yuqi Zhou
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  32. GenSAR: Unifying Balanced Search and Recommendation with Generative Retrieval
    RecSys 2025 ·
    Teng Shi
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  33. LLM-Empowered Creator Simulation for Long-Term Evaluation of Recommender Systems Under Information Asymmetry
    SIGIR 2025 ·
    Xiaopeng Ye
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  34. LargePiG for Hallucination-Free Query Generation: Your Large Language Model is Secretly a Pointer Generator
    WWW 2025 ·
    Zhongxiang Sun
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  35. Legal Mathematical Reasoning with LLMs: Procedural Alignment through Two-Stage Reinforcement Learning
    EMNLP 2025 ·
    Kepu Zhang
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  36. Length-Induced Embedding Collapse in PLM-based Models
    ACL 2025 ·
    Yuqi Zhou
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  37. MAPS: Motivation-Aware Personalized Search via LLM-Driven Consultation Alignment
    ACL 2025 ·
    Weicong Qin
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  38. Media Source Matters More Than Content: Unveiling Political Bias in LLM-Generated Citations
    EMNLP 2025 ·
    Sunhao Dai
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  39. Mitigating Source Bias with LLM Alignment
    SIGIR 2025 ·
    Sunhao Dai
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  40. MoRE: A Mixture of Reflectors Framework for Large Language Model-Based Sequential Recommendation
    RecSys 2025 ·
    Weicong Qin
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  41. NExT-Search: Rebuilding User Feedback Ecosystem for Generative AI Search
    SIGIR 2025 ·
    Sunhao Dai
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  42. Perplexity Trap: PLM-Based Retrievers Overrate Low Perplexity Documents
    ICLR 2025 ·
    Haoyu Wang
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  43. PrLM: Learning Explicit Reasoning for Personalized RAG via Contrastive Reward Optimization
    CIKM 2025 ·
    Kepu Zhang
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  44. Q-PRM: Adaptive Query Rewriting for Retrieval-Augmented Generation via Step-level Process Supervision
    EMNLP 2025 ·
    Xiaopeng Ye
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  45. ReARTeR: Retrieval-Augmented Reasoning with Trustworthy Process Rewarding
    SIGIR 2025 ·
    Zhongxiang Sun
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  46. ReDeEP: Detecting Hallucination in Retrieval-Augmented Generation via Mechanistic Interpretability
    ICLR 2025 ·
    Zhongxiang Sun
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  47. Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generation
    SIGIR 2025 ·
    Teng Shi
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  48. Similarity = Value? Consultation Value-Assessment and Alignment for Personalized Search
    EMNLP 2025 ·
    Weicong Qin
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  49. SyLeR: A Framework for Explicit Syllogistic Legal Reasoning in Large Language Models
    CIKM 2025 ·
    Kepu Zhang
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  50. Test-Time Alignment with State Space Model for Tracking User Interest Shifts in Sequential Recommendation
    RecSys 2025 ·
    Changshuo Zhang
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  51. Towards Effective and Efficient Continual Pre-training of Large Language Models
    ACL 2025 ·
    Jie Chen
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  52. Trigger3: Refining Query Correction via Adaptive Model Selector
    AAAI 2025 ·
    Kepu Zhang
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  53. Understanding Accuracy-Fairness Trade-offs in Re-ranking through Elasticity in Economics
    SIGIR 2025 ·
    Chen Xu
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  54. Unifying Bias and Unfairness in Information Retrieval: New Challenges in the LLM Era
    WSDM 2025 ·
    Sunhao Dai
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  55. Uplift-RAG: Uplift-Driven Knowledge Preference Alignment for Retrieval-Augmented Generation
    EMNLP 2025 ·
    Changle Qu
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  56. A Study of Implicit Ranking Unfairness in Large Language Models
    EMNLP 2024 ·
    Chen Xu
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  57. A Taxation Perspective for Fair Re-ranking
    SIGIR 2024 ·
    Chen Xu
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  58. Bias and Unfairness in Information Retrieval Systems: New Challenges in the LLM Era
    SIGKDD 2024 ·
    Sunhao Dai
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  59. Cocktail: A Comprehensive Information Retrieval Benchmark with LLM-Generated Documents Integration
    ACL 2024 ·
    Sunhao Dai
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  60. Counteracting Duration Bias in Video Recommendation via Counterfactual Watch Time
    SIGKDD 2024 ·
    Haiyuan Zhao
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  61. Do Not Wait: Learning Re-Ranking Model Without User Feedback At Serving Time in E-Commerce
    RecSys 2024 ·
    Yuan Wang
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  62. Effective In-Context Example Selection through Data Compression
    ACL 2024 ·
    Zhongxiang Sun
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  63. Explicitly Integrating Judgment Prediction with Legal Document Retrieval: A Law-Guided Generative Approach
    SIGIR 2024 ·
    Weicong Qin
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  64. FairSync: Ensuring Amortized Group Exposure in Distributed Recommendation Retrieval
    WWW 2024 ·
    Chen Xu
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  65. Guaranteeing Accuracy and Fairness under Fluctuating User Traffic: A Bankruptcy-Inspired Re-ranking Approach
    CIKM 2024 ·
    Xiaopeng Ye
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  66. Invisible Relevance Bias: Text-Image Retrieval Models Prefer AI-Generated Images
    SIGIR 2024 ·
    Shicheng Xu
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  67. Large Language Models Enhanced Collaborative Filtering
    CIKM 2024 ·
    Zhongxiang Sun
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  68. List-aware Reranking-Truncation Joint Model for Search and Retrieval-augmented Generation
    WWW 2024 ·
    Shicheng Xu
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  69. Modeling User Attention in Music Recommendation
    ICDE 2024 ·
    Sunhao Dai
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  70. Neural Retrievers are Biased Towards LLM-Generated Content
    SIGKDD 2024 ·
    Sunhao Dai
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  71. ReCODE: Modeling Repeat Consumption with Neural ODE
    SIGIR 2024 ·
    Sunhao Dai
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  72. Reinforcing Long-Term Performance in Recommender Systems with User-Oriented Exploration Policy
    SIGIR 2024 ·
    Changshuo Zhang
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  73. Revisiting Reciprocal Recommender Systems: Metrics, Formulation, and Method
    SIGKDD 2024 ·
    Chen Yang
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  74. SAQRec: Aligning Recommender Systems to User Satisfaction via Questionnaire Feedback
    CIKM 2024 ·
    Kepu Zhang
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  75. To Search or to Recommend: Predicting Open-App Motivation with Neural Hawkes Process
    SIGIR 2024 ·
    Zhongxiang Sun
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  76. Towards Completeness-Oriented Tool Retrieval for Large Language Models
    CIKM 2024 ·
    Changle Qu
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  77. Towards Robust Recommendation via Decision Boundary-aware Graph Contrastive Learning
    SIGKDD 2024 ·
    Jiakai Tang
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  78. UniSAR: Modeling User Transition Behaviors between Search and Recommendation
    SIGIR 2024 ·
    Teng Shi
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