RDF schema is a semantic extension of RDF. The RDF schema language is used for declaring basic class and types when describing the terms used in RDF and are used to determine characteristics of other resources, such as the domains and ranges of properties.
W3C - The World Wide Web Consortium Home page for W3C. Contains information regarding the organization and its activities. Additionally, there are links to technical reports and publications, sample code, user interface items, and interest groups.
RDF Vocabulary Description Language 1.0: RDF Schema This specification describes how to use RDF to describe RDF vocabularies. This specification defines a vocabulary for this purpose and defines other built-in RDF vocabulary initially specified in the RDF Model and Syntax Specification.
Semantic Web The voice of Semantic Web technology.
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