PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Using Apple's estimate of 80 apps downloaded per iOS device, including apps not on device, iPad paid app content would be $56-80.
http://www.w3.org/ns/prov#wasQuotedFrom
  • macobserver.com