PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you want an alternative to medication, relaxation techniques, such as biofeedback, can be useful for both preventing and relieving headaches.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthywomen.org