All Stories

  1. Modular Representation Compression: Adapting LLM Representations for Efficient and Effective Recommendation

    Article • July 2026, ACM (Association for Computing Machinery)

    Yunjia Xi

  2. Bursting Filter Bubble: Enhancing Serendipity Recommendations with Aligned Large Language Models

    Article • August 2025, ACM (Association for Computing Machinery)

    Yunjia Xi

  3. Action First: Leveraging Preference-Aware Actions for More Effective Decision-Making in Interactive Recommender Systems

    Article • July 2025, ACM (Association for Computing Machinery)

    Yunjia Xi

  4. Efficiency Unleashed: Inference Acceleration for LLM-based Recommender Systems with Speculative Decoding

    Article • July 2025, ACM (Association for Computing Machinery)

    Yunjia Xi

  5. Efficient and Deployable Knowledge Infusion for Open-World Recommendations via Large Language Models

    Article • ACM Transactions on Recommender Systems, March 2025, ACM (Association for Computing Machinery)

    Yunjia Xi

  6. MemoCRS: Memory-enhanced Sequential Conversational Recommender Systems with Large Language Models

    Article • October 2024, ACM (Association for Computing Machinery)

    Yunjia Xi

  7. Towards Open-World Recommendation with Knowledge Augmentation from Large Language Models

    Article • October 2024, ACM (Association for Computing Machinery)

    Yunjia Xi

  8. DisCo: Towards Harmonious Disentanglement and Collaboration between Tabular and Semantic Space for Recommendation

    Article • August 2024, ACM (Association for Computing Machinery)

    Yunjia Xi, Jizheng Chen

  9. How Can Recommender Systems Benefit from Large Language Models: A Survey

    Article • ACM Transactions on Information Systems, July 2024, ACM (Association for Computing Machinery)

    Yunjia Xi, Chuhan Wu

  10. Utility-oriented Reranking with Counterfactual Context

    Article • ACM Transactions on Knowledge Discovery from Data, June 2024, ACM (Association for Computing Machinery)

    Yunjia Xi

  11. ClickPrompt: CTR Models are Strong Prompt Generators for Adapting Language Models to CTR Prediction

    Article • May 2024, ACM (Association for Computing Machinery)

    Yunjia Xi

  12. A Bird's-eye View of Reranking: From List Level to Page Level

    Article • February 2023, ACM (Association for Computing Machinery)

    Yunjia Xi

  13. Multi-Level Interaction Reranking with User Behavior History

    Article • July 2022, ACM (Association for Computing Machinery)

    Yunjia Xi

  14. U-rank

    Article • October 2020, ACM (Association for Computing Machinery)

    Yunjia Xi, Xiuqiang He