About: http://webisa.webdatacommons.org/209548137

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I do not know how you calculate distance, and in the example they show, it appears that all the pairs are an even distance away from each other.
http://www.w3.org/ns/prov#wasQuotedFrom	dailysudoku.com