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Title: OntoWeb - a semantic web community portal
Authors: Jarrar, Mustafa
Spyns, Peter
Oberle, D.
Volz, R.
Zheng, J.
Keywords: Semantic networks (Information theory)
Ontologies (Information retrieval)
Issue Date: 2003
Abstract: This 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 provided
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