See section 9 of our terms: http://www.kaggle.com/pages/terms http://www.kaggle.com/pages/terms In general, the competition host gets a license to the winning

See section 9 of our terms: http://www.kaggle.com/pages/terms http://www.kaggle.com/pages/terms In general, the competition host gets a license to the winning algorithm in exchange for a winner accepting the prize money. We also have private competitions that do not appear to you unless you're invited. In these competitions hosts can offer appearance fees just for participating as well as access to more restricted data.