PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a semantic language, DocBook enables its users to create document content in a presentation-neutral form that captures the logical structure of the content; that content can then be published in a variety of formats, including HTML, XHTML, EPUB, PDF, man pages, Web help[2] and HTML Help, without requiring users to make any changes to the source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org