💡 About Me

Hi! This is Jujia Zhao, a first year PhD student in the Leiden Institute of Advanced Computer Science (LIACS) from Leiden University, supervised by Suzan Verberne. My research focuses on artificial intelligence, information retrieval and recommendation.

🔥 News

• 2024.03:  🎉🎉 Our paper ‘‘Denoising Diffusion Recommender Model’’ is accepted by The 47th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2024).
• 2023.12:  🎉🎉 Our paper ‘‘Temporally and Distributionally Robust Optimization for Cold-start Recommendation’’ is accepted by The Annual AAAI Conference on Artificial Intelligence (AAAI 2024).
• 2023.08:  🎉🎉 Our paper ‘‘Popularity-aware Distributionally Robust Optimization for Recommendation System’’ is accepted by 32nd ACM International Conference on Information and Knowledge Management (CIKM 2023).

📝 Publications

• Denoising Diffusion Recommender Model

  Jujia Zhao, Wenjie Wang, Yiyan Xu, Teng Sun, Fuli Feng and Tat-Seng Chua

  SIGIR 2024 | Paper | Code

• Temporally and Distributionally Robust Optimization for Cold-start Recommendation

  Xinyu Lin, Wenjie Wang, Jujia Zhao, Yongqi Li, Fuli Feng and Tat-Seng Chua

  AAAI 2024 | Paper | Code

• Popularity-aware Distributionally Robust Optimization for Recommendation System

  Jujia Zhao, Wenjie Wang, Xinyu Lin, Leigang Qu, Jizhi Zhang and Tat-Seng Chua

  CIKM 2023 | Paper | Code

💻 Internships

• 2022.08 - 2024.06, Research Intern, NExT Research Center (Supervisor: Dr. Wenjie Wang and Prof. Tat-Seng Chua), Singapore.
• 2023.01 - 2023.06, Machine Learning Intern, Philips, Singapore.

📖 Educations

2024.07 - Present

PhD Student

Leiden University, The Netherlands

2022.08 - 2024.06

Master of Science

National University of Singapore, Singapore

2018.08 - 2022.06

Bachelor of Automation

Beijing Institute of Technology, Beijing

🔭 Professional Services

• Invited Reviewer for KDD 2024.