One account per participant You cannot sign up to Kaggle from multiple accounts and therefore you cannot submit from multiple accounts. No private sharing outside teams Privately sharing code or data outside of teams is not permitted. It's okay to share code if made available to all participants on the forums. Team Mergers Team mergers are not allowed in this competition. Team Limits Max team size is limited to 4. Submission Limits You may submit a maximum of 2 entries per day. You may select up to 2 final submissions for judging. Competition Timeline Start Date: January 5th, 2018 Merger Deadline: None Entry Deadline: None End Date: March 1st, 2018 22:00 UTC (Midnight EET) External Data Use of external data is not allowed (rules changed 26. Jan. 2018). Test Data Participants are not allowed to make subjective judgements of the test data, nor to annotate it. Test items has to be classified separately. One cannot use information from other test items when predicting the scene label. License Additionally, you agree that the use of provided data is limited to this competition and bound by the End User License Agreement (see "Data" section of the competition). Essentially, the EULA prohibits any commercial use of the database.