PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The reference engine accesses the appropriate reference material source and provides the reference material to the application program. [0008] In one aspect of the invention, the reference material is a dictionary and the reference material sources are dictionary files that correspond to different languages.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com