PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, ???thixotropic agent??? is defined here as a material, other than the organophilic clay, added to the suspension in order to help reduce or eliminate settling.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com