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cs.AI2024
A Dual-Fusion Cognitive Diagnosis Framework for Open Student Learning Environments
Yuanhao Liu, Shuo Liu, Yimeng Liu +2
Cognitive diagnosis model (CDM) is a fundamental and upstream component in intelligent education. It aims to infer students' mastery levels based on historical response logs. Howev…
cs.IR2024
Preference Diffusion for Recommendation
Shuo Liu, An Zhang, Guoqing Hu +2
Recommender systems predict personalized item rankings based on user preference distributions derived from historical behavior data. Recently, diffusion models (DMs) have gained at…