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- W66716179 abstract "This paper presents the algorithm Polarity Recognizer in Portuguese (PIRPO) to classify sentiment in online reviews. PIRPO was constructed to identify polarity in Portuguese user generated accommodation reviews. Each review is analysed according to concepts from a domain ontology. We decompose the review in sentences in order to assign a polarity to each concept of the ontology in the sentence. Preliminary results indicate an average F-score of 0.32 for polarity recognition." @default.
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- W66716179 date "2012-01-01" @default.
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- W66716179 title "PIRPO: An Algorithm to Deal with Polarity in Portuguese Online Reviews from the Accommodation Sector" @default.
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- W66716179 doi "https://doi.org/10.1007/978-3-642-31178-9_37" @default.
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