About: http://webisa.webdatacommons.org/318878420

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	A directed graph is a graph where the links have direction???like a one-way street. 2.1.2.2.2 Undirected
http://www.w3.org/ns/prov#wasQuotedFrom	saylor.org