PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Intense eyeball headaches" that got worse throughout the day, a feeling of pressure in my head and especially in and behind my eyes, feeling spacey, increased ADD symptoms, intense impatience and irritability, getting angry over things like TV noise, intense nausea.
http://www.w3.org/ns/prov#wasQuotedFrom
  • addforums.com