About: http://webisa.webdatacommons.org/450809302

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	Having said that, what you describe in your code is a means to bound objects into a rectangular playing field, eg.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com