PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The terms ???alkyl nitrile??? and ???aryl nitrile??? describe a ???R???C???N group, where R is an alkyl or an aryl, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com