PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The reason for the three different high-performance spindles is the need to machine smaller, lighter parts, frequently from tough materials such as titanium, or aluminum parts that benefit from high-speed machining.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sme.org