PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Milling machines can be classified according to their versatility and usefulness depending on their types: ??? Column and knee type are the most common milling machines where the spindle to which the milling cutter is either vertical or horizontal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thegreenbook.com