PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In drilling, for example, a common indicator is a depth vs days curve, in which specific well construction events are plotted against the duration or [???]
http://www.w3.org/ns/prov#wasQuotedFrom
  • drillingcontractor.org