Expressive signals in social media languages to improve polarity detection.
Information Processing & Management(2016)
摘要
•To capture the sentiment of messages, several expressive forms are investigated.•Expressive signals enrich the feature space of baseline and ensemble classifiers.•Only adjectives play a fundamental role as expressive signal.•Pragmatic particles and expressive lengthening could lead to the de finition of erratic polarity classifiers.
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关键词
Sentiment analysis,Polarity detection,Expressive signals
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