Trustworthy User Modelling and Personalization (TUMP)

The TUMP Lab advances trustworthy user modeling and personalization through cutting-edge AI techniques, human-centric LLM-based user simulation, and rigorous benchmarking via open-source frameworks.

Research Focus:

  • Designing trustworthy recommendation algorithms—robust, diverse, fair, explainable, and privacy-preserving—by applying cutting-edge techniques e.g., deep learning and large language models across various domains including e-commerce, multimedia, location-based social networks, and healthcare.
  • Developing LLM-based user simulators for human-centric evaluation and optimization of recommender systems.
  • Benchmarking recommender systems through rigorous evaluation and fair comparison by advancing open-source libraries such as DaisyRec and DaisyRec-v2.0.

Latest News

[Jun 2026] One paper was accepted by ACM TOIS 2026. Congratulations to all co-authors!
[Jun 2026] One paper was accepted by Neural Networks 2026. Congratulations to all co-authors!
[May 2026] Professor Sun received the Editor of Distinction Awards 2026 from Springer Nature!
[May 2026] Three papers were accepted by KDD 2026. Congratulations to all co-authors!
[May 2026] Professor Sun was awarded the Gold Tier Reviewer Distinction at IJCAI-ECAI 2026!
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