PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A Klein bottle is a one-sided surface first described by Felix Klein, a German mathematician in 1882.
http://www.w3.org/ns/prov#wasQuotedFrom
  • studentswithavision.org