PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • People having difficulties falling asleep have experienced better results after taking natural sleeping aids such as melatonin, valerian and kava kava.
http://www.w3.org/ns/prov#wasQuotedFrom
  • luckyvitamin.com