PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Caffeine is a central nervous system and metabolic stimulant,[2] and is used both recreationally and medically to reduce physical fatigue and restore mental alertness when unusual weakness or drowsiness occurs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikia.com