PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a result, the big record companies, whose fortunes are still overwhelmingly tied to CD sales, are taking a far more expansive view of how to carve out pieces of the music economy, which by some estimates runs as high as $75 billion, including recording sales, music publishing, concert ticket and merchandise sales and other sources of revenue.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mit.edu