About: http://webisa.webdatacommons.org/258898341

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	Technically speaking, a tree is a special case of a directed acyclic graph in which no node can share a common tail (although many edges obviously share a common head).
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr