PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A Barrett's esophagus is a condition where the cells lining some sections of the esophagus undergo some alteration due to frequent reflux of acid coming from the stomach.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.net