Emotion Analysis of Internet Chat

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چکیده

We present a system for Emotion Analysis of Instant Messages (IM). Using Instance Based classifier we have shown that our system can outperform similar systems in the IM domain. Tagged instant messages and elaborate feature engineering can help a lot in increasing the performance of text classification of unstruc-tured, ungrammatical text. The impact of class imbalance on classification has been studied and demonstration has been made of how un-dersampling can help mitigate this problem.

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تاریخ انتشار 2010