PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Those ingredients include carcinogens such as benzene and formaldehyde, toxic metals like arsenic, and poisonous materials such as ammonia, carbon monoxide, and hydrogen cyanide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thinkprogress.org