Yunjia Xi

PhD student, Computer Science, Shanghai Jiaotong University

Joined

January 2023

Names

Yunjia Xi (Preferred)

Emails

****@sjtu.edu.cn (Confirmed)

Personal Links

Career & Education History

PhD student

Computer Science, Shanghai Jiaotong University (sjtu.edu.cn)

2021 – Present

Undergrad student

Computer Science, Shanghai Jiaotong University (sjtu.edu.cn)

2017 – 2021

Advisors, Relations & Conflicts

PhD Advisor

Weinan Zhang

2021 – Present

PhD Advisor

Yong Yu

2021 – Present

Expertise

Recommender Systems

Present

Large Language Models

Present

Agent

Present

Publications

Efficient and Deployable Knowledge Infusion for Open-World Recommendations via Large Language Models
Yunjia Xi, Weiwen Liu, Jianghao Lin, Muyan Weng, Xiaoling Cai, Hong Zhu, Jieming Zhu, Bo Chen, Ruiming Tang, Yong Yu, Weinan Zhang
- Trans. Recomm. Syst. 2026
- Readers: Everyone
APTBench: Benchmarking Agentic Potential of Base LLMs During Pre-Training
Jiarui Qin, Yunjia Xi, Junjie Huang, Renting Rui, Di Yin, Weiwen Liu, Yong Yu, Weinan Zhang, Xing Sun
- CoRR 2025
- Readers: Everyone
Stop DDoS Attacking the Research Community with AI-Generated Survey Papers
Jianghao Lin, Rong Shan, Jiachen Zhu, Yunjia Xi, Yong Yu, Weinan Zhang
- CoRR 2025
- Readers: Everyone
APTBench: Benchmarking Agentic Potential of Base LLMs During Pre-Training
Jiarui Qin, Yunjia Xi, Junjie Huang, Renting Rui, di yin, Weiwen Liu, Yong Yu, Weinan Zhang, Xing Sun
- Submitted to ICLR 2026
- Readers: Everyone
InfoDeepSeek: Benchmarking Agentic Information Seeking for Retrieval-Augmented Generation
Yunjia Xi, Jianghao Lin, Menghui Zhu, Yongzhao Xiao, Zhuoying Ou, Jiaqi Liu, Tong Wan, Te Gao, Bo Chen, Weiwen Liu, Yasheng Wang, Ruiming Tang, Yong Yu, Weinan Zhang
- Submitted to ICLR 2026
- Readers: Everyone
Bursting Filter Bubble: Enhancing Serendipity Recommendations with Aligned Large Language Models
Yunjia Xi, Muyan Weng, Wen Chen, Chao Yi, Dian Chen, Gaoyang Guo, Mao Zhang, Jian Wu, Yuning Jiang, Qingwen Liu, Yong Yu, Weinan Zhang
- Crossref
- Readers: Everyone
A Survey of LLM-based Deep Search Agents: Paradigm, Optimization, Evaluation, and Challenges
Yunjia Xi, Jianghao Lin, Yongzhao Xiao, Zheli Zhou, Rong Shan, Te Gao, Jiachen Zhu, Weiwen Liu, Yong Yu, Weinan Zhang
- CoRR 2025
- Readers: Everyone
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
- Crossref
- Readers: Everyone
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
- Crossref
- Readers: Everyone
Evolutionary Perspectives on the Evaluation of LLM-Based AI Agents: A Comprehensive Survey
Jiachen Zhu, Menghui Zhu, Renting Rui, Rong Shan, Congmin Zheng, Bo Chen, Yunjia Xi, Jianghao Lin, Weiwen Liu, Ruiming Tang, Yong Yu, Weinan Zhang
- CoRR 2025
- Readers: Everyone

View all 60 publications

Co-Authors

View all 66 co-authors