PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Blowing agents are well known in the art and the particular blowing agent selected usually depends on such matters as cost, resin and density desired.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com