PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Through software that obscures users' identifying information such as email addresses and phone numbers, Datalogix and Facebook can combine their databases, and group users based on their offline purchases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wsj.com