PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While the top and bottom layers are show as circular layer it is for illustration only, alternative geometric structure of the layers can be designed with disk-shape, square, rectangular or other special shape, depending on the applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com