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Shengyingjie Liu

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Open access Oct 2026

Robust knowledge tracing via bidirectional context and conditional diffusion

Knowledge Tracing (KT) is essential in online education for modeling learners’ evolving knowledge states to support personalized instruction. However, conventional KT approaches often exhibit instability when confronted with abrupt shifts in learner performance—such as sudden errors amid consistent success or unexp...

Bo He, Zhi-Jun Huang, Shengyingjie Liu · 0 citations

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