PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A polyurea is a polymer produced by the condensation reaction of a diisocyanate and a difunctional amine-containing material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au