About: http://webisa.webdatacommons.org/133826106

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	However, when you reach the sixth step ??? collision detection ??? you need to take all of the level features into consideration, such as walls, floors, enemies, and other hazards.
http://www.w3.org/ns/prov#wasQuotedFrom	raywenderlich.com