PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Meanwhile, the neighboring highlands are composed of crystalline rocks, such as granite, that are very hard (generally resistant to erosion) and probably very old.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov