Monday, July 2 to Sunday, September 16: Model training period against a public leaderboard. Code submission available throughout. Sunday, September 16 : Deadline to submit final models. Final code must be submitted by this time (midnight PST) Monday, September 17 : Release of the Model Evaluation Set for winner selection (10am PST) Monday, September 24: Deadline to submit Model Evaluation Set solutions. (midnight PST) Monday, October 1: Winners are announced Saturday, October 13: Deadline for submission of 2-3 page report for consideration. This option is only available for contestants who submitted a model and solutions by their deadline. The paper will be referreed for admitance into the contest workshop publication. The paper must be in [ICDM format](http://icdm2012.ua.ac.be/content/contest-proposals) . Monday, December 10: Conference workshop paper presentation and official awards ceremony.