The Effects of Emoji in Sentiment Analysis

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Abstract: This study investigates the usage of Emoji characters on social networks and the effects of Emoji in  text  mining and sentiment  analysis. As  it provides live access  to  text  based  public opinions,  we  chose Twitter  as our  information  source  in  our  analysis.  We  collected  text  data  for  some  global  positive  and negative events to analyze the impact of Emoji characters in sentiment analysis. In our analysis, we noticed that  the  utilization  of  Emoji  characters  in  sentiment  analysis  results  in  higher  sentiment  scores. Furthermore, we observed that the usage of Emoji characters in sentiment analysis appeared to have higher impact on overall sentiments of the positive opinions in comparison to the negative opinions.    Key words: Emoji, opinion mining, sentiment analysis, twitter.
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https://www.researchgate.net/publication/320446679_The_Effects_of_Emoji_in_Sentiment_Analysis