Improving "email speech acts" analysis via n-gram selection

In email conversational analysis, it is often useful to trace the the intents behind each message exchange. In this paper, we consider classification of email messages as to whether or not they contain certain intents or email-acts, such as "propose a meeting" or "commit to a task". We demonstrate that exploiting the contextual information in the messages can noticeably improve email-act classification. More specifically, we describe a...