Yunjia Xi

2025

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

Jianghao Lin|Xinyi Dai|Yunjia Xi|Weiwen Liu|Bo Chen|Hao Zhang|Yong Liu|Chuhan Wu|Xiangyang Li|Chenxu Zhu|Huifeng Guo|Yong Yu|Ruiming Tang|Weinan Zhang

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2

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

Renting Rui|Yunjia Xi|Weiwen Liu|Jianghao Lin|Bo Chen|Ruiming Tang|Weinan Zhang|Yong Yu

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

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

Yunjia Xi|Hangyu Wang|Bo Chen|Jianghao Lin|Menghui Zhu|Weiwen Liu|Ruiming Tang|Zhewei Wei|Weinan Zhang|Yong Yu

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

Play to Your Strengths: Collaborative Intelligence of Conventional Recommender Models and Large Language Models.

Yunjia Xi|Weiwen Liu|Jianghao Lin|Chuhan Wu|Bo Chen|Ruiming Tang|Weinan Zhang|Yong Yu

Information Retrieval - 30th China Conference, CCIR 2024, Wuhan, China, October 18-20, 2024, Revised Selected Papers

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

Yunjia Xi|Weiwen Liu|Jianghao Lin|Bo Chen|Ruiming Tang|Weinan Zhang|Yong Yu

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

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

Jianghao Lin|Bo Chen|Hangyu Wang|Yunjia Xi|Yanru Qu|Xinyi Dai|Kangning Zhang|Ruiming Tang|Yong Yu|Weinan Zhang

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

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

Yunjia Xi|Jianghao Lin|Weiwen Liu|Xinyi Dai|Weinan Zhang|Rui Zhang|Ruiming Tang|Yong Yu

Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

2022

Beyond Relevance Ranking: A General Graph Matching Framework for Utility-Oriented Learning to Rank.

Xinyi Dai|Yunjia Xi|Weinan Zhang|Qing Liu|Ruiming Tang|Xiuqiang He|Jiawei Hou|Jun Wang|Yong Yu

ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 2

Multi-Level Interaction Reranking with User Behavior History.

Yunjia Xi|Weiwen Liu|Jieming Zhu|Xilong Zhao|Xinyi Dai|Ruiming Tang|Weinan Zhang|Rui Zhang|Yong Yu

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2020

U-rank: Utility-oriented Learning to Rank with Implicit Feedback.

Xinyi Dai|Jiawei Hou|Qing Liu|Yunjia Xi|Ruiming Tang|Weinan Zhang|Xiuqiang He|Jun Wang|Yong Yu

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020