PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Positioned within the cavity in spaced apart relation are upper and lower circular viewing windows 50 and 52, that enclose opposite ends of the cavity and allow for light transmission through the cell. [0053] Positioned between the spaced apart viewing windows is a cavity which forms the fluid analysis chamber 54.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com