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Prerequisite Relation Learning for Concepts in MOOCs
AbstractWhat prerequisite knowledge should students achieve a level of mastery before moving forward to learn subsequent coursewares? We study the extent to which the prerequisite relation between knowledge concepts in …...
Course Concept Expansion in MOOCs with External Knowledge and Interactive Game
AbstractAs Massive Open Online Courses (MOOCs) become increasingly popular, it is promising to automatically provide extracurricular knowledge for MOOC users. Suffering from semantic drifts and lack of knowledge guidance, existing …...