About: http://webisa.webdatacommons.org/253174720

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	Recall that an v is an internal vertex of a rooted tree if v has children, and that v is a leaf
http://www.w3.org/ns/prov#wasQuotedFrom	mhhe.com