PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Bay Area uses 3.8 billion plastic bags a year and about 1 million end up in San Francisco Bay, where they harm birds, fish, and other animals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • progress.org