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By Heiner Stuckenschmidt, Frank van Harmelen

Info fresh examine in components reminiscent of ontology layout for info integration, metadata iteration and administration, and illustration and administration of disbursed ontologies. offers determination help at the use of novel applied sciences, information regarding capability difficulties, and guidance for the profitable program of present applied sciences.

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Extra info for Information Sharing on the Semantic Web (Advanced Information and Knowledge Processing)

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Ontologies) involved. Notice that although the approach described above translates only between two sources at a time, it is not limited to bilateral integration. Authoring of shared terminology Our approach relies on the use of a shared terminology in terms of properties used to define different concepts. This shared terminology has to be general enough to be used across all information sources to be integrated but specific enough to make meaningful definitions possible. Therefore the shared terminology will normally be built by an independent domain expert who is familiar with typical tasks and problems in a domain, but who is not concerned with a specific information source.

In these cases we often find situations where the same term refers to different phenomena. The use of the term “ontology” in philosophy and its use in computer science may serve as an example. The consequence is a separation into different groups that share a terminology and its conceptualization. , 1997]. An example of such a community is the (KA)2 initiative [Benjamins and Fensel, 1998]. The main problem with the use of a shared terminology according to a specific conceptualization of the World is that much information remains implicit.

E. how the terms of the source ontology are described by the primitives of the shared vocabulary. • In COIN [Goh, 1997], the local description of an information, the so-called context, is simply an attribute value vector. The terms for the context stems from the common shared vocabulary and the data itself. • In MECOTA [Wache, 1999], each source information is annotated by a label which indicates the semantics of the information. The label combines the primitive terms from the shared vocabulary.

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