PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Major depressive disorder can have a number of symptoms such as insomnia, loss of appetite, fatigue and overwhelming feelings of sadness or grief.
http://www.w3.org/ns/prov#wasQuotedFrom
  • questia.com