PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The assertion ???past smoker??? without any temporal qualifications means Past Smoker unless there is text that says that the patient stopped smoking less than one year ago.A Current Smoker is a patient whose discharge summary asserts explicitly that the patient was a smoker within the past year.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oxfordjournals.org