About: http://webisa.webdatacommons.org/375229589

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	If x.fwdarw.y is an edge, y is the head and x is the tail and we call the edge a back edge.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com