PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • R-O-O-R structure where at least one R is a carbon chain, except for materials that meet class 1 (Explosive) definition,
http://www.w3.org/ns/prov#wasQuotedFrom
  • ncsu.edu