PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Artificial reefs are built out of hard, durable structures such as rock, concrete, and steel, usually in the form of surplus or scrap materials (e.g. vessels, dredge rock, and military vehicles, etc.).
http://www.w3.org/ns/prov#wasQuotedFrom
  • ny.gov