PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The drug is a central nervous system stimulant that is believed to improve attentiveness, organization, and performance in people who have chronic trouble staying focused.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikihow.com