PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Inside the tube was a filament and a plate electrode, which was just a piece of wire bent into a helix.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uv201.com