PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As anyone familiar with Earth Hour knows, the idea of getting people to collectively shut off their lights is a nice idea, but difficult to execute.
http://www.w3.org/ns/prov#wasQuotedFrom
  • todayeco.com