PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (2) hydrocarbon groups that contain atoms other than carbon and hydrogen but are predominantly hydrocarbon in nature, where examples of other atoms are sulfur, oxygen or nitrogen, which may be present alone (such as thio or ether) or as functional linkages such as ester, carboxy, carbonyl, etc.;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com