PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in the image above is an example of a simple forcing loop. it eliminates the 4 in r6c3.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailysudoku.com