PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (b) ??? Industries release large amounts of dust, soot and poisonous gases such as sulphur dioxide and nitrogen oxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.com