About: http://webisa.webdatacommons.org/366163321

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	As we saw in Relations, there is a one-to-one correspondence between simple directed graphs with vertex set V and relations on V. 99.2.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu