PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I have had a 3 year long headache with no periods of relief, now I have severe lightheaded spells that last from 5 minutes to 6 hours long, with weakness, a weird sort of nausea, and sometimes (like you) my blood pressure is as much as 30 points higher standing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medhelp.org