About: http://webisa.webdatacommons.org/138868172

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	As for removing items from a list - you can use mBullets.RemoveAll(predicate), where predicate is an expression that identifies items that have collided.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com