http://www.recsyschallenge.com/2018/

January 2018	Release of the "One Million Playlists" dataset The data can be downloaded from .
Early March 2018	RecSys Challenge starts. Submission system will be available for offline evaluation. Each team can submit at most 1 run per day. A daily leaderboard will be available once the challenge starts. The submissions are evaluated based on 50% of a private test set.
End of June 2018	Final submission due
Early July 2018	Announcement of the final leaderboard. The daily leaderboard is recalculated using the private test set. The test set will be made publicly available.
Mid July 2018	Paper submission due Note: paper submission is necessary for the winners.
Mid August 2018	Paper Acceptance Notifications The submitted papers will be evaluated based on the novelty, the clarity, and the empirical results. Each paper will be reviewed by at least three PC members. Accepted papers should be presented in the RecSys Challenge Workshop.
Mid September 2018	Camera-ready due for the accepted papers.
October 2-7, 2018	Workshop will take place as part of the  in .