PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • crystal: rigid, lattice-like framework of many atoms bonded together that is formed by some compounds such as table salt
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org