An Investigation of the Usage of Kaomoji for Emotions Judgment and Kaomoji Recommendation

Chika Onishi and Noriyuki Okumura

Keywords

Kaomoji, Emotion Judgment, Text Mining, Sentiment Analysis

Abstract

This paper investigates the use tendency of Kaomoji for sentences in Social Networking services. Kaomoji are Japanese optional characters to give optional information to sentences that users send as emotional messages. Face Marks, Smileys and Emotiocons are used as Japanese Kaomoji in the world. Kaomoji generally have emotional information. In this paper, we investigate emotional elements of Kaomoji by questionnaires to improve existing Emotion Judgment System. Furthermore, this paper evaluates the influence of time series for each Kaomoji using a Text Mining tool.

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