PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But, in an emergency, for example, during the night, it is often difficult to obtain two operators, and this situation is a serious problem for a life-saving emergency treatment fighting the clock.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com