PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The fluid injected into the rock typically is a slurry of water, sand, gels , foams, chemical additives and gases, including nitrogen, carbon dioxide and oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ridenbaugh.com