PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • After supporting proprietary systems aggressively for decades, IBM is embracing open standards in many areas, including relational databases (where it trails Oracle), operating systems (where it made mainframes a much safer solution with the open source Linux environment), and now, with Java.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oreilly.com