PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The NGA has been updating systems such as fire suppression and climate control, as well as upgrading facilities for the gallery???s cutting-edge research and conservation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonian.com