About: http://webisa.webdatacommons.org/423404936

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	2D Physics engines such as Box2D and Chipmunk, make heavy use of a spatial Hash Map see http://chipmunk-physics.net/release/ChipmunkLatest-Docs/#CollisionDetection for reference.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com