As news sites mine social media for data, intriguing challenges | Poynter ::Twitter beyond ‘the new quotes"::

Many news organizations are pressing a new frontier of technology in 2012 — training computers to analyze thousands of written messages and interpret how their authors feel.

The Washington Post, Yahoo News, Time and ABC News are gauging social media activity and sentiment in the presidential campaign; The Boston Globe tracks the mood of Red Sox fans; and the Los Angeles Times monitored fan favorites to win the Oscars.

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