PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Graphite is a crystalline material in which the sheets are stacked parallel to one another in regular fashion.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thefullwiki.org