PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This leads to macro effects such as the Casimir effect, a force between two uncharged metallic plates in a vacuum placed a few micrometers apart, which has been observed experimentally.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freerepublic.com