About: http://webisa.webdatacommons.org/334839957

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	that gives a solution in less time for any number of cities, with complexity of O(n+k), where k is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com