PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The big issue now is making downloads available in a consumer-friendly, high-quality format at a reasonable price. iTunes has long been the market leader, but its reluctance to offer any kind of flexible pricing or formats other than AAC, which is far from interoperable, has left many consumers unconvinced by legal digital downloads.
http://www.w3.org/ns/prov#wasQuotedFrom
  • techradar.com