PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Despite decades of use, fracking fluids - which typically contain small amounts of acids, anti-microbials, petroleum distillates, and other chemicals - have never been found to contaminate groundwater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com