Ruihong Qiu

2026

LEXA: Legal case retrieval via graph contrastive learning with contextualised LLM embeddings.

Yanran Tang|Ruihong Qiu|Yilun Liu|Xue Li|Zi Huang

World Wide Web (WWW) 2026 Volume 29 Issue 2

Does Homophily Help in Robust Test-time Node Classification?

Yan Jiang|Ruihong Qiu|Zi Huang

Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

2025

GCondenser: Benchmarking Graph Condensation.

Yilun Liu|Ruihong Qiu|Zi Huang

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

DARLR: Dual-Agent Offline Reinforcement Learning for Recommender Systems with Dynamic Reward.

Yi Zhang|Jiajun Liu|Yingying Yu|Ruihong Qiu|Xuwei Xu|Jiajun Liu|Yingying Yu|Sen Wang

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

Exploring the Potential of Graph Neural Networks-based Methods for General Linear Programs.

Yung-Cheng Chuang|Ruihong Qiu

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

Graph Condensation: Foundations, Methods and Prospects.

Hongzhi Yin|Xinyi Gao|Junliang Yu|Ruihong Qiu|Tong Chen|Quoc Viet Hung Nguyen|Zi Huang

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

ROLeR: Effective Reward Shaping in Offline Reinforcement Learning for Recommender Systems.

Yi Zhang|Ruihong Qiu|Jiajun Liu|Sen Wang

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

CaseGNN: Graph Neural Networks for Legal Case Retrieval with Text-Attributed Graphs.

Yanran Tang|Ruihong Qiu|Yilun Liu|Xue Li|Zi Huang

Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part II

CaseLink: Inductive Graph Learning for Legal Case Retrieval.

Yanran Tang|Ruihong Qiu|Hongzhi Yin|Xue Li|Zi Huang

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

2023

Long short-term enhanced memory for sequential recommendation.

Jiasheng Duan|Peng-Fei Zhang|Ruihong Qiu|Zi Huang

World Wide Web (WWW) 2023 Volume 26 Issue 2

2022

Exploiting Positional Information for Session-Based Recommendation.

Ruihong Qiu|Zi Huang|Tong Chen|Hongzhi Yin

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

Contrastive Learning for Representation Degeneration Problem in Sequential Recommendation.

Ruihong Qiu|Zi Huang|Hongzhi Yin|Zijian Wang

WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2020

Exploiting Cross-session Information for Session-based Recommendation with Graph Neural Networks.

Ruihong Qiu|Zi Huang|Jingjing Li|Hongzhi Yin

ACM Transactions on Information Systems (TOIS) 2020 Volume 38 Issue 3

GAG: Global Attributed Graph Neural Network for Streaming Session-based Recommendation.

Ruihong Qiu|Hongzhi Yin|Zi Huang|Tong Chen

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

Rethinking the Item Order in Session-based Recommendation with Graph Neural Networks.

Ruihong Qiu|Jingjing Li|Zi Huang|Hongzhi Yin

Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.