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This paper presents a <i>semantic argumentation approach</i> to collaborative ontology engineering which enables systematic and dynamic ontology deliberation to a community. It encourages members to collaboratively express ideas or solutions regarding an ontology development issue, and to submit arguments which support or oppose other members' ideas. To(More)
Although Social Web has been successful at encouraging vast numbers of contributors to collaboratively create and share knowledge, and leading to unanticipated explosion of innovative ideas, the user-generated contents are confronted with poor quality and untrustworthy problems, while the online community deals with several conflicts occurred during the(More)
This paper develops a Semantic Web application, namely WorldWideWatch or WWWatch, in short. By employment of Semantic Web technologies, WWWatch analyses and visualizes social networks between countries in the world from information extracted from online news archives. Such information is described using RDF/OWL ontology and stored in Sesame server. The(More)
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