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dc.contributor.authorJarrar, Mustafa-
dc.contributor.authorSpyns, Peter-
dc.contributor.authorOberle, D.-
dc.contributor.authorVolz, R.-
dc.contributor.authorZheng, J.-
dc.description.abstractThis paper describes a semantic portal through which knowledge canbe gathered, stored, secured and accessed by members of a certain community. In particular, this portal takes into account companies and research institutes participating in the E.U. funded thematic network called OntoWeb. Ontology-based annotation of information is a prerequisite in order to offer the possibility of knowledge retrieval and extraction. The usage of well-defined semantics allows for the knowledge exchange between different OntoWeb community members. Thus, members are able to publish annotated information on the web, which is then crawled by a syndicator and stored in the portal’s knowledge base. The backbone of the portal architecture consists of a knowledge base in which the ontology and the instances are stored and maintained. In addition, ontology-boosted query mechanisms and presentation facilities are provideden_US
dc.subjectSemantic networks (Information theory)en_US
dc.subjectOntologies (Information retrieval)en_US
dc.titleOntoWeb - a semantic web community portalen_US
newfileds.departmentEngineering and TechnologyEngineering and Technologyen_US
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