PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Porosity, permeability, fluid and gas saturation, and other reservoir properties are measured at high accuracy near oil wells (e.g. by wireline logs), but these data do not assure reliable estimates of reservoir properties away from the wells.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com