Definitions for "RDF schema"
a description of the terms used in the RDF triples forming the RDF graph (which can be written in a document, in an RDF/XML syntax)
a language which describes vocabularies using the Resource Description Framework
defines a set of metadata properties (for example, 'Creator') that can be associated with resources.
Keywords:  zero, discount, greater, rules, less
A standard for specifying consistency rules (for example, price must be greater than zero, discount must be less than 15%) that apply to the specifications contained in an RDF.
a specification of a set of RDF classes and properties