id author title date pages extension mime words sentence flesch summary cache txt ital-12367 Ford, Kevin M Seeing through Vocabularies 2020-06-11 5 .pdf application/pdf 2684 116 50 Ontologies and vocabularies are common when working with RDF (Resource Description Framework), a very simple data model in which information is expressed as a series of triple statements, each consisting of three parts: a subject, a predicate, and an object. The types of ontologies and vocabularies referred to here are in fact defined using RDF—Thing A is a Class and Thing Z is a Property. cache/ital-12367.pdf txt/ital-12367.txt