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A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.
Pages
Chengyi LIU
About me
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Posts
Future Blog Post
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Blog Post number 4
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 3
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 2
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
Blog Post number 1
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This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.
portfolio
Portfolio item number 1
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Portfolio item number 2
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publications
Generative Diffusion Models on Graphs: Methods and Applications
Published in IJCAI, 2023
IJCAI survey
Recommended citation: Fan, W., Liu, C., Liu, Y., Li, J., Li, H., Liu, H., Tang, J. and Li, Q., 2023. Generative diffusion models on graphs: Methods and applications. arXiv preprint arXiv:2302.02591.
Score-Based Generative Diffusion Models for Social Recommendations
Published in TKDE, 2025
Social Recommendation
Recommended citation: C. Liu, J. Zhang, S. Wang, W. Fan and Q. Li, "Score-Based Generative Diffusion Models for Social Recommendations," in IEEE Transactions on Knowledge and Data Engineering, vol. 37, no. 11, pp. 6666-6679, Nov. 2025, doi: 10.1109/TKDE.2025.3600103.
Continuous-time Discrete-space Diffusion Model for Recommendation
Published in WSDM, 2025
Generative Recommendation
Recommended citation: Chengyi Liu, Xiao Chen, Shijie Wang, Wenqi Fan, and Qing Li. 2026. Continuous-time Discrete-space Diffusion Model for Recommendation. In Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining (WSDM '26). Association for Computing Machinery, New York, NY, USA, 406–415. https://doi.org/10.1145/3773966.3777987
talks
Talk 1 on Relevant Topic in Your Field
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Conference Proceeding talk 3 on Relevant Topic in Your Field
Published:
This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.
teaching
DATA STRUCTURES
Undergraduate course, The Hong Kong Polytechnic University, Department of Computing, 2023
Teaching Assistant
DATA STRUCTURES AND DATABASE SYSTEMS
Master course, The Hong Kong Polytechnic University, Department of Computing, 2024
Teaching Assistant
DATABASE SYSTEMS
Undergraduate course, The Hong Kong Polytechnic University, Department of Computing, 2024
Teaching Assistant
LEGAL ASPECTS, PROFESSIONALISM AND ETHICS OF COMPUTING
Undergraduate course, The Hong Kong Polytechnic University, Department of Computing, 2025
Teaching Assistant
DATABASE SYSTEMS
Undergraduate course, The Hong Kong Polytechnic University, Department of Computing, 2025
Teaching Assistant