PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Finally, as to why the light makes it to us ??? most of the universe is so empty that you only get occasional hydrogen or helium nuclei and electrons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • discovermagazine.com