PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Briefly, WordPerfect and Google Docs both use hidden codes inside a document that switch formatting and other features on and off : For example, there is a hidden code at the start of any boldface type and another where it ends, and another code he is inserted into the file at the point where you want to change the margins.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pcmag.com