PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many medical procedures involve a medical instrument, such as a drill, catheter, scalpel, scope, stent or other tool.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com