... time period for each candidate. For volume, the system outputs the number of tweets every minute for each candidate. For sentiment, the system outputs the number of positive, negative, neutral ... Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 115–120,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsA System ... outpaces the capacity of traditional content analysis approaches, calling for novel computational approaches. Most work to date has focused on post-facto analysis of tweets, with results...