Kaggle

The World's most popular programming Q & A site Stack Overflow, had announced a Machine Learning Contest through Kaggle to find an algorithm that predicts whether (and for what reason) a question will be closed. The competition titled "Predict Close Questions in Stack Overflow," will lasts up to 48 days. It will start from 4:10 AM, Tuesday, August 21, 2012 (UTC) and will end on 12:00 AM, Tuesday