PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Research and development expenditures of drug companies and other manufacturers and providers of medical equipment and supplies are excluded from research expenditures.
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com