PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Clusters of atoms and ions are widely studied in physics because they represent a form of matter that is intermediate between single atoms and bulk matter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • physicsworld.com