Important dates

January 15, 2007	Submission of papers and workshop/tutorial proposals (closed)
April 30, 2007	Notification of paper and workshop/tutorial acceptance
June 30, 2007	Submission of final camera-ready papers
July 15, 2007	Deadline for early registration (closed)
September 4, 2007	Workshops and tutorials
September 5-7, 2007	Technical sessions