Group items tagged

This is the home page for the National Science Digital Library Metadata Registry. The Metadata Registry provides services to developers and consumers of controlled vocabularies and is one of the first production deployments of the RDF-based Semantic Web Community's Simple Knowledge Organization System (SKOS)

Supports metadata interoperability: NSDL Registry

The CSA/NBII Biocomplexity Thesaurus is now available via a Web services (SOAP) interface. A description of the contents of the thesaurus are available on the NBII Web site at http://thesaurus.nbii.gov/.

Upper Mapping and Binding Exchange Layer A lightweight, subject concept reference structure for the Web

Within the field of astronomy there are many existing vocabularies which have been developed for different purposes by different organisations.