About: http://webisa.webdatacommons.org/52225908

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 is replace each edge by a node and connect two nodes if there is a directed path with a common node between the two edges in the original multigraph.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com