PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It can be helpful to recognize if you have one type of headache or a couple of types of headache and how often you are having headaches and how long they actually last because it is sometimes hard to remember that information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • everydayhealth.com