PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although a sight is shown, the present invention contemplates that other types of indicators can be used, including electronic indicators to display or indicate the fill level of the separation chamber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com