PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • More than half of the country was forested in the 1940s, particularly the north and east, but by the end of the 1980s the proportion had dropped to nearly one-fourth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com