Chengyi Liu

2026

doi dblp
Beyond Static Diffusion: Explicitly Modeling Temporal Patterns in Sequential Recommendation.
Yao Wu|Chengyi Liu|Gerhard Weikum|Trystan Upstill|Wenqi Fan|Trystan Upstill|Wenqi Fan|Rui Zhang
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
doi dblp
Continuous-time Discrete-space Diffusion Model for Recommendation.
Chengyi Liu|Xiao Chen|Shijie Wang|Wenqi Fan|Qing Li
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026