PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When rotating, i.e. both the motor and the drill string are rotating to drive the bit, the goal is usually for the system to simply hold angle (zero build rate), but variations in hole conditions, operating parameters, wear on the assembly, etc. usually cause a slight build or drop.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr