PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ??? Headaches, such as cluster headaches, migraines, pre menstrual headaches and post-concussion syndrome (any trauma to the head should be immediately checked out by your physician)
http://www.w3.org/ns/prov#wasQuotedFrom
  • knoji.com