At Yahoo, we tried a little to improve comment quality. We tried to rank comments based on its text quality using machine learning (some of the features were ha

At Yahoo, we tried a little to improve comment quality. We tried to rank comments based on its text quality using machine learning (some of the features were hate words, grammar error, CAPITAL letters). We hope that seeing well written comments at the top can trigger a better discussion than just top voted ones. Here is the paper: http://ip.com/IPCOM/000230875 http://ip.com/IPCOM/000230875