LASSA: Emotion Detection via Information Fusion

Ning Yu; Sandra K�bler; Joshua Herring; Yu-Yin Hsu; Ross Israel; Charese Smiley

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Biomedical Informatics Insights

LASSA: Emotion Detection via Information Fusion

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Ning Yu, Sandra Kübler, Joshua Herring, Yu-Yin Hsu, Ross Israel and Charese Smiley

Biomedical Informatics Insights 2012:5 (Suppl. 1) 71-76

Original Research

Published on 30 Jan 2012

DOI: 10.4137/BII.S8949

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Abstract

Due to the complexity of emotions in suicide notes and the subtle nature of sentiments, this study proposes a fusion approach to tackle the challenge of sentiment classification in suicide notes: leveraging WordNet-based lexicons, manually created rules, character-based n-grams, and other linguistic features. Although our results are not satisfying, some valuable lessons are learned and promising future directions are identified.

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