MOOCCourse ContentTraditional MOOC PlatformStudent RecordMOOCActivity LogMOOCCourse ContentMOOCActivity LogConcept/TopicSearch agent Open WebPersonalized Search agent Student Model Student Modeler ConceptRecommenderConceptNavigatorInteractiveTeachingInterfaceTopic/ConceptGraph generator MOOCCourse System教育资源i前导资源1前导资源n后继资源1后继资源n等价资源1等价资源n衍生资源1衍生资源n
