PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The hold signal might be interrupted, for example, unintentionally by a catastrophic failure along the riser, wellhead, or production facility, or intentionally by a production operator seeking to shut-in the well in response to particular operating conditions or needs such as maintenance, testing, or production scheduling.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com