2022
DOI: 10.1007/978-3-030-98305-5_7
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Implicit Opinion Aspect Clues in Portuguese Texts: Analysis and Categorization

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Cited by 2 publications
(3 citation statements)
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“…To help the experts in this task, an annotation manual was built with specific guidelines for the phenomena that are typical of stock market tweets (see Di Felippo et al (2022)). This supporting material was necessary since the annotation guidance described in the UD literature did not provide strategies for the proper treatment of DANTEStocks lexical idiosyncrasies.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…To help the experts in this task, an annotation manual was built with specific guidelines for the phenomena that are typical of stock market tweets (see Di Felippo et al (2022)). This supporting material was necessary since the annotation guidance described in the UD literature did not provide strategies for the proper treatment of DANTEStocks lexical idiosyncrasies.…”
Section: Methodsmentioning
confidence: 99%
“…In Natural Language Processing (NLP), Part-of-Speech (PoS) tagging is one of the first processes applied to input data, being responsible for assigning a proper part-of-speech (or grammatical category) to each word in a text. Such basic information is useful for several NLP tasks and applications, as information extraction (CABRAL et al, 2022) (CHIARA, 2022), semantic parsing (ANCHIÊTA; PARDO, 2022) (SENO et al, 2022) and sentiment analysis (MACHADO et al, 2022), just to cite a few of very recently published state of the art research for Portuguese.…”
Section: Introductionmentioning
confidence: 99%
“…Opinion mining or sentiment analysis seeks to extract the polarity of texts (e.g., positive, negative, or neutral) in an automated manner. It can be done at various levels: document, sentence, or aspect (Liu, 2012;Machado and Pardo, 2022). The document level is more general and does not always allow for the inference of exact sentiment.…”
Section: Introductionmentioning
confidence: 99%