PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It relates especially, first, to the flow lines, that is to say flexible pipes unwound from a barge in order to be laid generally on the bottom of the sea and connected to the subsea installations, such pipes working mainly in static mode, and, secondly, to the ???risers???, that is to say flexible pipes which are unwound from a surface installation such as a platform and are connected to the subs
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com