PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, one promising type of material is conducting polymers including for example polythiophenes and regioregular polythiophenes, the latter first invented by Richard McCullough.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk