PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At present, the criteria for major depression require five or more out of nine symptoms including sadness or lack of interest or pleasure that least for at least two weeks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • historypsychiatry.com