PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Migraine can be induced by a variety of stimuli such as foods, noise and stress, and such headaches are usually accompanied by severe incapacitating pain, nausea, vomiting, and visual patterns or flashes in front of the eyes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthy.net