PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • especially involving carbon-based materials, including fullerenes and nanotubes (a.k.a., buckyballs and buckytubes)
http://www.w3.org/ns/prov#wasQuotedFrom
  • kent.edu