Sentiment Intensity: Is It a Good Summary Indicator?
In this paper we address the question of whether ¿very positive¿ or ¿very negative¿ sentences from the perspective of sentiment analysis
are ¿good¿ summary sentences from the perspective of text summarisation. We operationalise the concepts of very positive and very
negative sentences by using the output of a sentiment analyser and evaluate how good a sentence is for summarisation by making use
of standard text summarisation metrics and a corpus annotated for both salience and sentiment. In addition, we design and execute a
statistical test to evaluate the aforementioned hypothesis. We conclude that the hypothesis does not hold, at least not based on our corpus data, and argue that summarising sentiment and summarising text are two different tasks which should be treated separately.
KABADJOV Mijail;
BALAHUR Alexandra;
BOLDRINI Ester;
2009-12-09
Wydawnictwo Poznanskie Sp. z.o.o.
JRC54839
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