PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A vortex is a region within a fluid where the flow is mostly a spinning motion around an imaginary axis.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • processingmagazine.com