PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The term ???substantially unobstructed??? with respect to the flow of fluid through an aperture, channel, or other fluid conduit, means that the fluid is free to travel through the channel without contacting any element spaced inward and spaced from, the side wall or walls of the aperture, channel, or other fluid conduit.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.de