Chengyi LIU

PhD student, Hong Kong Polytechnic University

Joined

July 2024

Names

Chengyi LIU (Preferred)

,

Chengyi Liu

Emails

****@connect.polyu.hk (Confirmed)

Personal Links

Career & Education History

PhD student

Hong Kong Polytechnic University (connect.polyu.hk)

2022 – Present

Advisors, Relations & Conflicts

PhD Advisor

2022 – Present

PhD Advisor

2022 – Present

Expertise

No areas of expertise listed

Publications

Continuous-time Discrete-space Diffusion Model for Recommendation
Chengyi Liu, Xiao Chen, Shijie Wang, Wenqi Fan, Qing Li
- CoRR 2025
- Readers: Everyone
Score-Based Generative Diffusion Models for Social Recommendations
Chengyi Liu, Jiahao Zhang, Shijie Wang, Wenqi Fan, Qing Li
- IEEE Trans. Knowl. Data Eng. 2025
- Readers: Everyone
Graph Defense Diffusion Model
Xin He, Wenqi Fan, Yili Wang, Chengyi Liu, Rui Miao, Xin Juan, Xin Wang
- CoRR 2025
- Readers: Everyone
Score-based Generative Diffusion Models for Social Recommendations
Chengyi Liu, Jiahao Zhang, Shijie Wang, Wenqi Fan, Qing Li
- CoRR 2024
- Readers: Everyone
Generative Diffusion Models on Graphs: Methods and Applications
Wenqi Fan, Chengyi Liu, Yunqing Liu, Jiatong Li, Hang Li, Hui Liu, Jiliang Tang, Qing Li
- CoRR 2023
- Readers: Everyone
Generative Diffusion Models on Graphs: Methods and Applications
Chengyi Liu, Wenqi Fan, Yunqing Liu, Jiatong Li, Hang Li, Hui Liu, Jiliang Tang, Qing Li
- IJCAI 2023
- Readers: Everyone

Co-Authors