About: http://webisa.webdatacommons.org/253850858

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	Now (I seem to recall) it does not apply if only one parent is an only child. 3.
http://www.w3.org/ns/prov#wasQuotedFrom	econlib.org