@article {412,
	title = {System and Method for Collecting and Analyzing Event Data},
	year = {2006},
	issn = {20070300157},
	url = {http://www.freepatentsonline.com/y2007/0300157.html},
	author = {D A. Clausi and C M. Rathe and J A. Eichel and W Zhang}
}
