PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google Apps include products or services such as Gmail, Google Calendar and Google Docs and are seen as the Mountain View, California company's challenge to Microsoft's popular Office software.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org