News


19 September 2025
Two full papers are accepted by NeurIPS 2025 on diffusion-based recommender.

5 April 2025
One full paper is accepted by SIGIR 2025 on item embedding fusion.

3 Jan 2025
One full paper is accepted by ICLR'25 on diffusion-based recommender.

Guoqing Hu 

Master student

Lab of Data Science
University of Science and Technology of China

443 Huangshan Road, Hefei, China 230027

Advisor: Prof. Xiang Wang
Email: HugoChinn AT mail.ustc.edu.cn
GitHubGoogle Scholar

I am currently in the 2nd year of my Matser program at USTC Lab for Data Science, supervised by Prof. Xiang Wang and Prof. An Zhang. My research interests includes diffusion models and generative recommendations, particularly in discrete diffusion models.

Education

University of Science and Technology of China (USTC)
Master Candidate in Artificial Intelligence and Data Science                   2024.09 - 2027.06 (Expected)
Advisor: Prof. Xiang Wang and Prof. An Zhang
University of Science and Technology of China (USTC)
Bachelor in School of Artificial Intelligence and Data Science      2020.09 - 2024.06

Preprints



pdf
Generate and instantiate what you prefer: Text-guided diffusion for sequential recommendation
Guoqing Hu, Zhengyi Yang, Zhibo Cai, An Zhang, Xiang Wang
arxiv 2024       [PDF] [Codes]

Publications



In the Year of 2025:


pdf
Fading to Grow: Growing Preference Ratios via Preference Fading Discrete Diffusion for Recommendation
Guoqing Hu, An Zhang, Shuchang Liu, Wenyu Mao, Jiancan Wu, Xun Yang, Xiang Li, Lantao Hu, Han Li, Kun Gai, Xiang Wang
NeurIPS 2025    (Full, Accept Rate: 24.52%)   

pdf
On Efficiency-Effectiveness Trade-off of Diffusion-based Recommenders
Wenyu Mao, Jiancan Wu, Guoqing Hu, Zhengyi Yang, Wei Ji, Xiang Wang
NeurIPS 2025    (Full, Accept Rate: 24.52%)   

pdf
AlphaFuse: Learn ID Embeddings for Sequential Recommendation in Null Space of Language Embeddings
Guoqing Hu, An Zhang, Shuo Liu, Zhibo Cai, Xun Yang, Xiang Wang
SIGIR 2025    (Full, Accept Rate: 21.5%)    [PDF] [Codes]
In the Year of 2024:


pdf
Preference Diffusion for Recommendation
Shuo Liu, An Zhang, Guoqing Hu, Hong Qian, Tat-Seng Chua
ICLR 2025    (Full, Accept Rate: 32.08%)    [PDF] [Codes]

Experiences

Research Intern, Kuaishou, Beijing, Feb 2025 - Now
Mentor: Shuchang Liu

Webpage template borrows from Xiangnan He.