PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Caffeine, coming from food items such as coffee and tea, can influence brain wave activity to promote alertness and memory recall.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com