- Online Learning and Analytics
- Intelligent Tutoring Systems and Adaptive Learning
- Topic Modeling
- Advanced Graph Neural Networks
- Human Motion and Animation
- 3D Shape Modeling and Analysis
- Simulation and Modeling Applications
East China Normal University
2024
Virginia Tech
2019
Cognitive diagnosis aims to gauge students' mastery levels based on their response logs.Serving as a pivotal module in web-based online intelligent education systems (WOIESs), it plays an upstream and fundamental role downstream tasks like learning item recommendation computerized adaptive testing.WOIESs are open environment where numerous new students constantly register complete exercises.In WOIESs, efficient cognitive is crucial fast feedback accelerating student learning.However, the...
Cognitive diagnosis is a vital upstream task in intelligent education systems. It models the student-exercise interaction, aiming to infer students' proficiency levels on each knowledge concept. This paper observes that most existing methods can hardly effectively capture homogeneous influence due its inherent complexity. That say, although students exhibit similar performance given exercises, their inferred by these vary significantly, resulting shortcomings interpretability and efficacy....
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