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It is valuable to integrate together the information provided by both Web Services and kinds of data repositories, especially RDF datasets. However, current Semantic Web Service technologies don't meet this requirement well for there coarse annotation granularity. This paper proposes a semantic description technology of fine granularity for the information-providing Web Service, which treats it as a special data view in terms of the RDFS/OWL ontology and thus makes it natural to be incorporated in the data integration system. Then the paper discusses the related match criteria of a data source against a query in this form. It also presents the proof-of-concept system which integrates both RDF data sources and information-providing Web Services uniformly.
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