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View all- Blázquez-López Y(2022)A Knowledge-Based Model for Polarity ShiftersJournal of Computer-Assisted Linguistic Research10.4995/jclr.2022.188076(87-107)Online publication date: 23-Nov-2022
Polarity shifting has been a challenge to automatic sentiment classification. In this paper, we create a corpus which consists of polarity-shifted sentences in various kinds of product reviews. In the corpus, both the sentimental words and shifting ...
Abstractive multi-document summarisation (MDS) remains a challenging task. Part of the problem is the question as to how to preserve a document’s polarity in the summary. We propose an opinion polarity attention model for MDS, which incorporates a ...
With the popularity of various social media platforms, the number of online reviews towards different products and services grows dramatically. Discovering sentiments from online reviews becomes an important and challenging task in sentiment analysis. ...
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