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Erschienen in:
2011 | OriginalPaper | Buchkapitel
4. Semantic Annotation and Retrieval: RDF
verfasst von : Dr. Fabien L. Gandon, Dr. Reto Krummenacher, Prof. Sung-Kook Han, Ioan Toma
Erschienen in: Handbook of Semantic Web Technologies
Verlag: Springer Berlin Heidelberg
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Abstract
The Resource Description Framework (RDF) is the de facto standard for metadata on the Web. Both, RDF and its schema language RDFS are recommended by W3C for interlinking resources on the Web and for fostering interoperability among distributed data sources. For this purpose, RDF relies on URIs for identifying resources, and constitutes a graph-based data model for linking such resources. To this end, RDF provides the fundamental building blocks for the graph-based data structures that are leveraged by the Semantic Web. More recently, RDF is no longer only the base layer of the Semantic Web, but its importance has increased, and nowadays RDF provides the principal data model for almost all data-minded protocols and formats that are promoted and standardized by W3C.