About: http://webisa.webdatacommons.org/324355181

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	Intersecting Links Example -- has sample code for finding the point where two links intersect (unlike this model, which only determines whether that point exists or not)
http://www.w3.org/ns/prov#wasQuotedFrom	northwestern.edu