PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Depression is itself considered a risk factor for some diseases, and physical ailments such as headaches, digestive disorders and chronic pain are often associated with depression.
http://www.w3.org/ns/prov#wasQuotedFrom
  • everydayhealth.com