PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first greenhouse was added two years later and in 1979 additional laboratories for welding, electricity and other fields were added.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uwrf.edu