PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Ubuntu payment service handles transactions for Ubuntu Software Center, Ubuntu One, the Canonical store, and other systems where people can purchase things from Canonical.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ubuntu.com