PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But the risks of shale drilling and fracturing are completely different -- and orders of magnitude smaller -- than the risks of drilling and fracturing crystalline rock such as granite.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com