PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Students discovered how pollution endangers fish, birds, and other wildlife and what we can do to keep our river clean and protect the creatures that live in its waters and along its banks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • conservatorylab.org