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Ontology based feature level opinion mining for portuguese reviews., and . WWW (Companion Volume), page 367-370. International World Wide Web Conferences Steering Committee / ACM, (2013)PIRPO: An Algorithm to Deal with Polarity in Portuguese Online Reviews from the Accommodation Sector., , , and . NLDB, volume 7337 of Lecture Notes in Computer Science, page 296-301. Springer, (2012)Hontology: A Multilingual Ontology for the Accommodation Sector in the Tourism Industry., , and . KEOD, page 149-154. SciTePress, (2012)ABSAPT 2022 at IberLEF: Overview of the Task on Aspect-Based Sentiment Analysis in Portuguese., , , , , , , and . Proces. del Leng. Natural, (2022)Exploring BERT for Aspect Extraction in Portuguese Language., , and . FLAIRS, (2021)BERTimbau in Action: An Investigation of its Abilities in Sentiment Analysis, Aspect Extraction, Hate Speech Detection, and Irony Detection., , , , , , and . FLAIRS, AAAI Press, (2023)GABSA-PT: Graph Neural Networks for Aspect-level Sentiment Analysis in Portuguese Language., , and . FLAIRS, AAAI Press, (2023)Feature-level sentiment analysis applied to brazilian portuguese reviews.. Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil, (2015)ndltd.org (oai:tede2.pucrs.br:tede/6031).Some clues on irony detection in tweets., , , and . WWW (Companion Volume), page 635-636. International World Wide Web Conferences Steering Committee / ACM, (2013)Overview of the IDPT Task on Irony Detection in Portuguese at IberLEF 2021., , , and . Proces. del Leng. Natural, (2021)