About: http://webisa.webdatacommons.org/160407839

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	It would be good to extend the algorithm somehow to recognize this situation and short circuit, i.e. automatically throw out paths of duplicate length.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com