PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A method of bit design and cutting element design to achieve optimal placement for maximum ROP and bit life of particularly suitable cutting elements for a given bit profile and design, as well as anticipated formation characteristics and other downhole parameters.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com