About: http://webisa.webdatacommons.org/209416652

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	Typically, a duplicate vertex is a vertex that is closer than a preset distance, which may be defined as a multiple of machine epsilon, to an existing vertex.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com