About: http://webisa.webdatacommons.org/209158608

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	The way to treat the recursion is to treat every level, including the top level, as another struct.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com