PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Uniform Resource Identifiers (URIs) are used to identify resources on the Internet by means of identifiers such as URL, FTP, HTTP, telnet, mailto, news, and gopher.
http://www.w3.org/ns/prov#wasQuotedFrom
  • microsoft.com