The most important dates are:

Invited sessions proposals  
October 30, 2009
 CLOSED
Paper submission
 December 10, 2009
 CLOSED
Notification of acceptance
January 31, 2010 DONE
Camera ready form
March 1, 2010
Author registration
 March 1, 2010
Early registration
 Before May 1, 2010
Late registration
After May 1, 2010
Conference
June 1-4, 2010