Si Qin

2026

Medical multi-recall embedding: Adaptive retrieval for diverse evidence in medical RAG systems.

Changjin Li|Fengshi Jing|Huarun Li|Zheng Dong|Zhougzhi Xu|Huiru Zou|Qiting Wang|Jie He|Yuchen Qian|Boyu Cao|Wenjian Liu|Si Qin|Weibin Cheng|Haobin Zhang

Information Processing and Management 2026 Volume 63 Issue 6

2024

COIN: Chance-Constrained Imitation Learning for Safe and Adaptive Resource Oversubscription under Uncertainty.

Lu Wang|Mayukh Das|Fangkai Yang|Chao Du|Bo Qiao|Hang Dong|Chetan Bansal|Si Qin|Saravan Rajmohan|Qingwei Lin|Dongmei Zhang|Qi Zhang

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

2023

Learning Cooperative Oversubscription for Cloud by Chance-Constrained Multi-Agent Reinforcement Learning.

Junjie Sheng|Lu Wang|Fangkai Yang|Bo Qiao|Hang Dong|Xiangfeng Wang|Bo Jin|Jun Wang|Si Qin|Saravan Rajmohan|Qingwei Lin|Dongmei Zhang

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

Multi-Agent Reinforcement Learning with Shared Policy for Cloud Quota Management Problem.

Tong Cheng|Hang Dong|Lu Wang|Bo Qiao|Si Qin|Qingwei Lin|Dongmei Zhang|Saravan Rajmohan|Thomas Moscibroda

Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

HAPENS: Hardness-Personalized Negative Sampling for Implicit Collaborative Filtering.

Haoxin Liu|Pu Zhao|Si Qin|Yong Shi|Mirror Xu|Qingwei Lin|Dongmei Zhang

Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022