PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, new challenges may be introduced by such data, including appropriate use of the detailed confounder information that may be available for only a sample of the main study and appropriate methods for dealing with missing clinical detail, such as tests that may not have been ordered or reported.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ahrq.gov