PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hydraulic mining apparatus according to claim 1 in which said foaming means is a combination of liquid and surfactant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com