PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The use in war of ???asphyxiating, poisonous or other gases??? ??? both of which can be produced by chlorine and ammonia ??? is banned by the Geneva Protocol, of which Syria is a signatory.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cfr.org