Che-Yu Yang

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The construction of metadata which annotates the documents is one of the major tasks for making data understandable to the machine on the Semantic Web. Most of the exiting Semantic Web authoring tools allow user with limited knowledge Semantic Web technologies such as RDF, OWL to markup documents with semantics. These tools help to create the semantic(More)
Knowledge is a product out of interaction. In online community learning, learners are encouraged to ask questions and discuss answers with each others. The value of participation and sharing during learning is emphasized. However, interactions between learners and between learner and instructor address a problem the instructor cannot be online all the time(More)