PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Biological causes of mental retardation, such as Down's Syndrome, do not vary along class lines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachwithmovies.org