PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thanks to such innovations as horizontal drilling and fracking (hydraulic fracturing), the U.S. is currently producing more oil than it has in 20 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cicsnews.com