PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, there is a need for efficient methods and apparatus for connecting and disconnecting tubular sections while at the same time rotating and axially translating a tubular string there below, and while continuously circulating fluid through the tubular string.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es