PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As steps 710 and 715 are repeated, system 507 may query a database for determining billing arrangements, among other things, such as whether the user has used the service before, how the user has paid in the past, what preferences and data was accumulated at that time, and bring such data that is useful for the session to active memory.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com