PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For purposes of this application, an aryl may contain heteroatoms such as S, N or O, preferably N.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com