IEEE Transactions on Learning Technologies · 2012 · 68 citations · 39 references
EducationComputer ScienceEducational TechnologyComputer-assisted InstructionE-learningPedagogyAnnotationCollaborative LearningCollaborative Learning EnvironmentsKnowledge AnnotationOnline CollaborationCollaborative Learning ToolsDistributed AnnotationPedagogical AnnotationUser AnnotationUser Study Evaluation
In the context of a lecture, the capacity to readily recognize and synthesize key concepts is crucial for comprehension and overall educational performance. In this paper, we introduce a tool, the Collaborative Lecture Annotation System (CLAS), which has been developed to make the extraction of important information a more collaborative and engaged process. The system relies on semantically constrained annotation, postannotation data amalgamation and transparent display of this amalgamated data. In addition to describing the CLAS, we report on a user experience study aimed at investigating students' perception of the utility of the tool.
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Using collaborative filtering to weave an information tapestry
David Theo Goldberg, David M. Nichols, Brian Oki et al. · Communications of the ACM · 1992 · 4.1K citations · Full text