PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Industry officials say that as much as 90 percent of Pennsylvania???s fracking wastewater is either reused or treated before it is released back into streams or other water sources.
http://www.w3.org/ns/prov#wasQuotedFrom
  • resilience.org