PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Consequently, the present inventors have been successful in revealing that there is definite difference in behavior between metals (ductile materials) and brittle materials including ceramics and semiconductors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com