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. Public dissemination of entries Kaggle and the competition host have the right to publicly disseminate any entries or models. Open licensing of winners Winning solutions need to be made available under [a popular OSI-approved license](http://opensource.org/licenses) in order to be eligible for recognition and prize money. Winning solutions must be posted or linked to in the forums. Prizes will be awarded after the winners have posted their solutions to the competition forum. Winners must post or link to their solutions within seven (7) days of being notified of their winning status. Team Mergers Team mergers are allowed and can be performed by the team leader. In order to merge, the combined team must have a total submission count less than or equal to the maximum allowed as of the merge date. The maximum allowed is the number of submissions per day multiplied by the number of days the competition has been running. Team Limits There is no maximum team size. Submission Limits You may submit a maximum of 5 entries per day. You may select up to 2 final submissions for judging. Competition Timeline Start Date: 12/20/2013 11:25 PM UTC Merger Deadline: 3/28/2014 11:59 PM UTC Entry Deadline: 3/28/2014 11:59 PM UTC End Date: 4/4/2014 11:59 PM UTC External data is not allowed without explicit, public consent (via the competition forums). Participants agree to make no attempt to use additional data sources or data sources not provided on these competition pages. This includes any metadata associated with published Galaxy Zoo catalogs or the Sloan Digital Sky Survey. Participants may not use the earlier sets of training and test data (which had flawed constraints and were removed from the Kaggle Galaxy Zoo competition site on Jan 9, 2014) as part of their solution. Deadline for new entrants to the competition and team mergers is Friday, March 14, 2014. This competition is subject to the [Research Competition Standard Rules](https://www.kaggle.com/wiki/ResearchCompetitionStandardRules) .