PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Soft water may contain sodium and other minerals or chemicals; however, it contains very little calcium, magnesium or iron.
http://www.w3.org/ns/prov#wasQuotedFrom
  • colostate.edu