Chengyi Liu

According to our database, Chengyi Liu authored at least 5 papers between 2023 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

Mixture-of-Experts Knowledge Graph Retrieval-Augmented Generation for Multi-Agent LLM-based Recommendation.

Shijie Wang, Chengyi Liu, Yujuan Ding, Shanru Lin, See-Kiong Ng, Xu Xin, Wenqi Fan

CoRR, May, 2026

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, 2026

Graph Defense Diffusion Model.

Xin He, Wenqi Fan, Yili Wang, Chengyi Liu, Rui Miao, Xin Juan, Xin Wang

Proceedings of the 32nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining V.1, 2026

2025

Score-Based Generative Diffusion Models for Social Recommendations.

Chengyi Liu, Jiahao Zhang, Shijie Wang, Wenqi Fan, Qing Li

IEEE Trans. Knowl. Data Eng., November, 2025

2023

Generative Diffusion Models on Graphs: Methods and Applications.

Chengyi Liu, Wenqi Fan, Yunqing Liu, Jiatong Li, Hang Li, Hui Liu, Jiliang Tang, Qing Li

Proceedings of the Thirty-Second International Joint Conference on Artificial Intelligence, 2023