April 2016
Intermediate to advanced
294 pages
6h 57m
English
Resource Description Framework (RDF)–rich expressivity is achieved by means of an extendable set of terms grouped into vocabularies. However, the RDF core specifications include only a small number of general-purpose terms. Most RDF terms (including domain specific terms) are defined in third-party vocabularies by relevant standardization forums, organizations, or even individuals. Vocabularies define terms together with precise semantics for them. Users of a vocabulary are expected to understand the definitions and the semantics.*
One of the most important vocabularies is the RDF Vocabulary Description Language (Brickley and Guha 2004), usually referred to as RDF schema (prefix rdfs:, namespace defined ...
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