About: http://webisa.webdatacommons.org/6488701

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	In the case of Directed Hamiltonian Cycle, when you have a solution to the restricted case (the graph with arcs going both ways), the solution is a valid solution for the original problem.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com