PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some research facilities turned to live animals such as pigs, but they faced similar issues of uniformity and ethical outcries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com