PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Silicone rubbers were first used in 1960???s for automotive, medical, aerospace and other industrial applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • albright1.com