Deadline for submissions:	December 11, 2011. The server will be open for submissions and resubmissions till 6 a.m. of December 14 (GMT time!)
Notification of acceptance:	February 17, 2012
Extended early registration deadline:	May 18, 2012
Conference dates:	July 3-7, 2012

As has become tradition, there will be YANDEX AWARDs for the best paper and for the best student paper!