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Zhaochun Ren

Leiden University, The Netherlands

61 papers at tracked venues · 37 at CORE A* · active 2024–2026

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Venues

ACL ×12SIGIR ×9ECIR ×8EMNLP ×6WWW ×6CIKM ×4ICLR ×3NeurIPS ×3WSDM ×3AAAI ×2RecSys ×2SIGKDD ×2NAACL ×1

Frequent coauthors

Zhengliang Shi
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Ricardo Campos
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Ziqi Zhao
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Jujia Zhao
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Jitai Hao
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Xiaokun Zhang
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Zhen Zhang
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Shiguang Wu
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Yougang Lyu
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Pengjie Ren
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Yukun Zhao
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Shen Gao
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Papers

  1. Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part I
    ECIR 2026 ·
    Ricardo Campos
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  2. Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part II
    ECIR 2026 ·
    Ricardo Campos
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  3. Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part III
    ECIR 2026 ·
    Ricardo Campos
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  4. Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part IV
    ECIR 2026 ·
    Ricardo Campos
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  5. AgentSearch: Indexing, Retrieval, and Ranking of AI Agents
    SIGIR 2026 ·
    Bin Wu
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  6. Differentiable Semantic ID for Generative Recommendation
    SIGIR 2026 ·
    Junchen Fu
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  7. Generative Retrieval with Few-Shot Indexing
    ECIR 2026 ·
    Arian Askari
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  8. Have We Really Understood Collaborative Information? An Empirical Investigation
    WSDM 2026 ·
    Xiaokun Zhang
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  9. Model Editing for New Document Integration in Generative Information Retrieval
    WWW 2026 ·
    Zhen Zhang
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  10. R2NS: Recall and Re-ranking of Negative Samples for Sequential Recommendation
    WWW 2026 ·
    Yuanzi Li
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  11. Reinforced Efficient Reasoning via Semantically Diverse Exploration
    ACL 2026 ·
    Ziqi Zhao
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  12. ReportLogic: Evaluating Logical Quality in Deep Research Reports
    ACL 2026 ·
    Jujia Zhao
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  13. Social Welfare Function Leaderboard: On the Emergence of LLM Agents as the Welfare Dictator
    ACL 2026 ·
    Zhengliang Shi
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  14. The Third Search Futures Workshop at ECIR'26
    ECIR 2026 ·
    Leif Azzopardi
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  15. Unifying Search and Recommendation in LLMs via Gradient Multi-Subspace Tuning
    SIGIR 2026 ·
    Jujia Zhao
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  16. A Cooperative Multi-Agent Framework for Zero-Shot Named Entity Recognition
    WWW 2025 ·
    Zihan Wang
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  17. A Token is Worth over 1, 000 Tokens: Efficient Knowledge Distillation through Low-Rank Clone
    NeurIPS 2025 ·
    Jitai Hao
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  18. Belief-Calibrated Multi-Agent Consensus Seeking for Complex NLP Tasks
    NeurIPS 2025 ·
    Wentao Deng
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  19. Bridging the Capability Gap: Joint Alignment Tuning for Harmonizing LLM-based Multi-Agent Systems
    EMNLP 2025 ·
    Minghang Zhu
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  20. Constrained Auto-Regressive Decoding Constrains Generative Retrieval
    SIGIR 2025 ·
    Shiguang Wu
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  21. Divide-Then-Aggregate: An Efficient Tool Learning Method via Parallel Tool Invocation
    ACL 2025 ·
    Dongsheng Zhu
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  22. Enhancing RAG Efficiency with Adaptive Context Compression
    EMNLP 2025 ·
    Shuyu Guo
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  23. ExcluIR: Exclusionary Neural Information Retrieval
    AAAI 2025 ·
    Wenhao Zhang
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  24. FULTR: A Large-Scale Fusion Learning to Rank Dataset and Its Application for Satisfaction-Oriented Ranking
    SIGKDD 2025 ·
    Yuchen Li
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  25. Fine-Grained Emotion Recognition via In-Context Learning
    CIKM 2025 · Zhaochun Ren
  26. Improving Sequential Recommenders through Counterfactual Augmentation of System Exposure
    SIGIR 2025 ·
    Ziqi Zhao
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  27. Iterative Self-Incentivization Empowers Large Language Models as Agentic Searchers
    NeurIPS 2025 ·
    Zhengliang Shi
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  28. MACPO: Weak-to-Strong Alignment via Multi-Agent Contrastive Preference Optimization
    ICLR 2025 ·
    Yougang Lyu
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  29. Malevolence Attacks Against Pretrained Dialogue Models
    ECIR 2025 ·
    Pengjie Ren
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  30. Model Meets Knowledge: Analyzing Knowledge Types for Conversational Recommender Systems
    RecSys 2025 ·
    Jujia Zhao
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  31. Offline Trajectory Optimization for Offline Reinforcement Learning
    SIGKDD 2025 ·
    Ziqi Zhao
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  32. OmniKV: Dynamic Context Selection for Efficient Long-Context LLMs
    ICLR 2025 ·
    Jitai Hao
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  33. ProActLLM: Proactive Conversational Information Seeking with Large Language Models
    CIKM 2025 ·
    Shubham Chatterjee
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  34. Replication and Exploration of Generative Retrieval over Dynamic Corpora
    SIGIR 2025 ·
    Zhen Zhang
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  35. Retrieval Models Aren't Tool-Savvy: Benchmarking Tool Retrieval for Large Language Models
    ACL 2025 ·
    Zhengliang Shi
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  36. SimPER: A Minimalist Approach to Preference Alignment without Hyperparameters
    ICLR 2025 ·
    Teng Xiao
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  37. Task Knowledge Injection via Interpolations and Reinstatement for Large Language Model Generalization
    ACL 2025 ·
    Yukun Zhao
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  38. The 1st Workshop on Human-Centered Recommender Systems
    WWW 2025 ·
    Kaike Zhang
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  39. The 1st Workshop on LLM Agents for Social Simulation
    CIKM 2025 ·
    Yige Yuan
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  40. The Second Search Futures Workshop at ECIR'25
    ECIR 2025 ·
    Charles Clarke
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  41. Tool Learning in the Wild: Empowering Language Models as Automatic Tool Agents
    WWW 2025 ·
    Zhengliang Shi
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  42. UIPE: Enhancing LLM Unlearning by Removing Knowledge Related to Forgetting Targets
    EMNLP 2025 ·
    Wenyu Wang
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  43. An Iterative Associative Memory Model for Empathetic Response Generation
    ACL 2024 ·
    Zhou Yang
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  44. CAUSE: Counterfactual Assessment of User Satisfaction Estimation in Task-Oriented Dialogue Systems
    ACL 2024 ·
    Amin Abolghasemi
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  45. Confucius: Iterative Tool Learning from Introspection Feedback by Easy-to-Difficult Curriculum
    AAAI 2024 ·
    Shen Gao
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  46. Content-Based Collaborative Generation for Recommender Systems
    CIKM 2024 ·
    Yidan Wang
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  47. Debiasing Sequential Recommenders through Distributionally Robust Optimization over System Exposure
    WSDM 2024 ·
    Jiyuan Yang
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  48. Disentangling ID and Modality Effects for Session-based Recommendation
    SIGIR 2024 ·
    Xiaokun Zhang
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  49. Generate-then-Ground in Retrieval-Augmented Generation for Multi-hop Question Answering
    ACL 2024 ·
    Zhengliang Shi
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  50. Generative News Recommendation
    WWW 2024 ·
    Shen Gao
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  51. Generative Retrieval as Multi-Vector Dense Retrieval
    SIGIR 2024 ·
    Shiguang Wu
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  52. KnowTuning: Knowledge-aware Fine-tuning for Large Language Models
    EMNLP 2024 ·
    Yougang Lyu
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  53. Knowing What LLMs DO NOT Know: A Simple Yet Effective Self-Detection Method
    NAACL 2024 ·
    Yukun Zhao
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  54. Learning to Use Tools via Cooperative and Interactive Agents
    EMNLP 2024 ·
    Zhengliang Shi
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  55. MAIR: A Massive Benchmark for Evaluating Instructed Retrieval
    EMNLP 2024 ·
    Weiwei Sun
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  56. MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter
    ACL 2024 ·
    Jitai Hao
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  57. MELoRA: Mini-Ensemble Low-Rank Adapters for Parameter-Efficient Fine-Tuning
    ACL 2024 ·
    Pengjie Ren
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  58. On the Effectiveness of Unlearning in Session-Based Recommendation
    WSDM 2024 ·
    Xin Xin
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  59. Recent Advances in Generative Information Retrieval
    SIGIR 2024 ·
    Yubao Tang
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  60. Self-Supervised Position Debiasing for Large Language Models
    ACL 2024 ·
    Zhongkun Liu
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  61. Towards Empathetic Conversational Recommender Systems
    RecSys 2024 ·
    Xiaoyu Zhang
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