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arXiv · 1911.12569

Emotion helps Sentiment: A Multi-task Model for Sentiment and Emotion Analysis

Abhishek Kumar·Asif Ekbal·Daisuke Kawahra·Sadao Kurohashi
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Abstract

In this paper, we propose a two-layered multi-task attention based neural network that performs sentiment analysis through emotion analysis. The proposed approach is based on Bidirectional Long Short-Term Memory and uses Distributional Thesaurus as a source of external knowledge to improve the sentiment and emotion prediction. The proposed system has two levels of attention to hierarchically build a meaningful representation. We evaluate our system on the benchmark dataset of SemEval 2016 Task 6 and also compare it with the state-of-the-art systems on Stance Sentiment Emotion Corpus. Experimental results show that the proposed system improves the performance of sentiment analysis by 3.2 F-score points on SemEval 2016 Task 6 dataset. Our network also boosts the performance of emotion analysis by 5 F-score points on Stance Sentiment Emotion Corpus.

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Abhishek Kumar, Asif Ekbal, Daisuke Kawahra, Sadao Kurohashi. 2019-11-28. Emotion helps Sentiment: A Multi-task Model for Sentiment and Emotion Analysis. https://doi.org/10.1109/ijcnn.2019.8852352

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