PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A hydrocyclone is a filter or separator mechanism that uses centrifugal force to separate solids from liquids or even liquids of different consistencies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com