About: http://webisa.webdatacommons.org/228953662

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	It can be shown that such a network is a tree whose vertices are the input points plus some extra points (Steiner points).[1]
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org