PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The most efficient polar materials for use as such have been found to be low molecular weight alcohols and ketones, particularly methanol and acetone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com