PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That is, a parser can validate a document, checking details such as the different tags being in the correct places and holding the correct number of arguments, without specializing in the particular flavor of XML. The reference to the DTD is not required; however, it is necessary if the document is to be validated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wolfram.com