PPaperPicks

Xin Xin

Shandong University, Information Retrieval Lab, School of Computer Science and Technology, China

23 papers at tracked venues · 15 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0001-6116-9115 ↗Homepage ↗

Venues

SIGIR ×4WSDM ×4WWW ×3ACL ×2CIKM ×2NeurIPS ×2RecSys ×2AAAI ×1ICLR ×1ICML ×1SIGKDD ×1

Frequent coauthors

Zhumin Chen
×11
Zhaochun Ren
×11
Pengjie Ren
×8
Xuri Ge
×7
Jun Ma
×5
Yidan Wang
×4
Jiyuan Yang
×4
Ziqi Zhao
×4
Liu Yang
×4
Dawei Yin
×3
Ruobing Xie
×3
Yue Ding
×3

Papers

  1. MCoT-MVS: Multi-level Vision Selection by Multi-modal Chain-of-Thought Reasoning for Composed Image Retrieval
    WWW 2026 ·
    Xuri Ge
    ,
    Chunhao Wang
    ,
    Xindi Wang
    ,
    Zheyun Qin
    ,
    Zhumin Chen
    , Xin Xin
  2. R2NS: Recall and Re-ranking of Negative Samples for Sequential Recommendation
    WWW 2026 ·
    Yuanzi Li
    ,
    Xuri Ge
    ,
    Jingyu Zhao
    ,
    Yidan Wang
    ,
    Jiyuan Yang
    ,
    Zhumin Chen
    ,
    Zhaochun Ren
    , Xin Xin
  3. Reinforced Efficient Reasoning via Semantically Diverse Exploration
    ACL 2026 ·
    Ziqi Zhao
    ,
    Zhaochun Ren
    ,
    Jiahong Zou
    ,
    Liu Yang
    ,
    Zhiwei Xu
    ,
    Xuri Ge
    ,
    Zhumin Chen
    ,
    Xinyu Ma
    ,
    Daiting Shi
    ,
    Shuaiqiang Wang
    ,
    Dawei Yin
    , Xin Xin
  4. AgentIR: 2nd Workshop on Agent-based Information Retrieval
    SIGIR 2025 ·
    Pengyue Jia
    ,
    Qingpeng Cai
    ,
    Xiangyu Zhao
    ,
    Ling Pan
    , Xin Xin,
    Jin Huang
    ,
    Weinan Zhang
    ,
    Li Zhao
    ,
    Dawei Yin
    ,
    Grace Hui Yang
  5. Exploration and Exploitation of Hard Negative Samples for Cross-Domain Sequential Recommendation
    WSDM 2025 ·
    Yidan Wang
    ,
    Xuri Ge
    ,
    Xin Chen
    ,
    Ruobing Xie
    ,
    Su Yan
    ,
    Xu Zhang
    ,
    Zhumin Chen
    ,
    Jun Ma
    , Xin Xin
  6. How Does Topology Bias Distort Message Passing in Graph Recommender? A Dirichlet Energy Perspective
    NeurIPS 2025 ·
    Yanbiao Ji
    ,
    Yue Ding
    ,
    Dan Luo
    ,
    Chang Liu
    ,
    Yuxiang Lu
    , Xin Xin,
    Hongtao Lu
  7. Improving Sequential Recommenders through Counterfactual Augmentation of System Exposure
    SIGIR 2025 ·
    Ziqi Zhao
    ,
    Zhaochun Ren
    ,
    Jiyuan Yang
    ,
    Zuming Yan
    ,
    Zihan Wang
    ,
    Liu Yang
    ,
    Pengjie Ren
    ,
    Zhumin Chen
    ,
    Maarten de Rijke
    , Xin Xin
  8. Measuring Interaction-Level Unlearning Difficulty for Collaborative Filtering
    RecSys 2025 ·
    Haocheng Dou
    ,
    Tao Lian
    , Xin Xin
  9. Offline Trajectory Optimization for Offline Reinforcement Learning
    SIGKDD 2025 ·
    Ziqi Zhao
    ,
    Zhaochun Ren
    ,
    Liu Yang
    ,
    Yunsen Liang
    ,
    Fajie Yuan
    ,
    Pengjie Ren
    ,
    Zhumin Chen
    ,
    Jun Ma
    , Xin Xin
  10. OmniKV: Dynamic Context Selection for Efficient Long-Context LLMs
    ICLR 2025 ·
    Jitai Hao
    ,
    Yuke Zhu
    ,
    Tian Wang
    ,
    Jun Yu
    , Xin Xin,
    Bo Zheng
    ,
    Zhaochun Ren
    ,
    Sheng Guo
  11. Reidentify: Context-Aware Identity Generation for Contextual Multi-Agent Reinforcement Learning
    ICML 2025 ·
    Zhiwei Xu
    ,
    Kun Hu
    , Xin Xin,
    Weiliang Meng
    ,
    Yiwei Shi
    ,
    Hangyu Mao
    ,
    Bin Zhang
    ,
    Dapeng Li
    ,
    Jiangjin Yin
  12. The 1st EReL@MIR Workshop on Efficient Representation Learning for Multimodal Information Retrieval
    WWW 2025 ·
    Junchen Fu
    ,
    Xuri Ge
    , Xin Xin,
    Haitao Yu
    ,
    Yue Feng
    ,
    Alexandros Karatzoglou
    ,
    Ioannis Arapakis
    ,
    Joemon M. Jose
  13. Towards Personalized Federated Multi-Scenario Multi-Task Recommendation
    WSDM 2025 ·
    Yue Ding
    ,
    Yanbiao Ji
    ,
    Xun Cai
    , Xin Xin,
    Yuxiang Lu
    ,
    Suizhi Huang
    ,
    Chang Liu
    ,
    Xiaofeng Gao
    ,
    Tsuyoshi Murata
    ,
    Hongtao Lu
  14. AgentIR: 1st Workshop on Agent-based Information Retrieval
    SIGIR 2024 ·
    Qingpeng Cai
    ,
    Xiangyu Zhao
    ,
    Ling Pan
    , Xin Xin,
    Jin Huang
    ,
    Weinan Zhang
    ,
    Li Zhao
    ,
    Dawei Yin
    ,
    Grace Hui Yang
  15. Confucius: Iterative Tool Learning from Introspection Feedback by Easy-to-Difficult Curriculum
    AAAI 2024 ·
    Shen Gao
    ,
    Zhengliang Shi
    ,
    Minghang Zhu
    ,
    Bowen Fang
    , Xin Xin,
    Pengjie Ren
    ,
    Zhumin Chen
    ,
    Jun Ma
    ,
    Zhaochun Ren
  16. Content-Based Collaborative Generation for Recommender Systems
    CIKM 2024 ·
    Yidan Wang
    ,
    Zhaochun Ren
    ,
    Weiwei Sun
    ,
    Jiyuan Yang
    ,
    Zhixiang Liang
    ,
    Xin Chen
    ,
    Ruobing Xie
    ,
    Su Yan
    ,
    Xu Zhang
    ,
    Pengjie Ren
    ,
    Zhumin Chen
    , Xin Xin
  17. Debiasing Sequential Recommenders through Distributionally Robust Optimization over System Exposure
    WSDM 2024 ·
    Jiyuan Yang
    ,
    Yue Ding
    ,
    Yidan Wang
    ,
    Pengjie Ren
    ,
    Zhumin Chen
    ,
    Fei Cai
    ,
    Jun Ma
    ,
    Rui Zhang
    ,
    Zhaochun Ren
    , Xin Xin
  18. IISAN: Efficiently Adapting Multimodal Representation for Sequential Recommendation with Decoupled PEFT
    SIGIR 2024 ·
    Junchen Fu
    ,
    Xuri Ge
    , Xin Xin,
    Alexandros Karatzoglou
    ,
    Ioannis Arapakis
    ,
    Jie Wang
    ,
    Joemon M. Jose
  19. MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter
    ACL 2024 ·
    Jitai Hao
    ,
    Weiwei Sun
    , Xin Xin,
    Qi Meng
    ,
    Zhumin Chen
    ,
    Pengjie Ren
    ,
    Zhaochun Ren
  20. On the Effectiveness of Unlearning in Session-Based Recommendation
    WSDM 2024 · Xin Xin,
    Liu Yang
    ,
    Ziqi Zhao
    ,
    Pengjie Ren
    ,
    Zhumin Chen
    ,
    Jun Ma
    ,
    Zhaochun Ren
  21. PSL: Rethinking and Improving Softmax Loss from Pairwise Perspective for Recommendation
    NeurIPS 2024 ·
    Weiqin Yang
    ,
    Jiawei Chen
    , Xin Xin,
    Sheng Zhou
    ,
    Binbin Hu
    ,
    Yan Feng
    ,
    Chun Chen
    ,
    Can Wang
  22. Sparks of Surprise: Multi-objective Recommendations with Hierarchical Decision Transformers for Diversity, Novelty, and Serendipity
    CIKM 2024 ·
    Jie Wang
    ,
    Alexandros Karatzoglou
    ,
    Ioannis Arapakis
    , Xin Xin,
    Xuri Ge
    ,
    Joemon M. Jose
  23. Towards Empathetic Conversational Recommender Systems
    RecSys 2024 ·
    Xiaoyu Zhang
    ,
    Ruobing Xie
    ,
    Yougang Lyu
    , Xin Xin,
    Pengjie Ren
    ,
    Mingfei Liang
    ,
    Bo Zhang
    ,
    Zhanhui Kang
    ,
    Maarten de Rijke
    ,
    Zhaochun Ren