PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The base fluid may also contain other conventional additives common to the well service industry such as water wetting surfactants, non-emulsifiers and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es