PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I learned that in 1951, the Port of Galveston set the national record for exports of such commodities as copper, cotton, oil, and sulfur; and that in the late 19th and early 20th centuries, it served as a major immigration portal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • texashighways.com