About: http://webisa.webdatacommons.org/315630776

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	We say that a node is a 2-node if and only if it has one data element and two children if it is an internal node.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org