Deep Learning Brasil at ABSAPT 2022: Portuguese Transformer Ensemble Approaches

1 code implementation • 8 Nov 2023 • Juliana Resplande Santanna Gomes, Eduardo Augusto Santos Garcia, Adalberto Ferreira Barbosa Junior, Ruan Chaves Rodrigues, Diogo Fernandes Costa Silva, Dyonnatan Ferreira Maia, Nádia Félix Felipe da Silva, Arlindo Rodrigues Galvão Filho, Anderson da Silva Soares

Aspect-based Sentiment Analysis (ABSA) is a task whose objective is to classify the individual sentiment polarity of all entities, called aspects, in a sentence.

Aspect-Based Sentiment Analysis Aspect Category Polarity +5

To Tune or Not To Tune? Zero-shot Models for Legal Case Entailment

1 code implementation • 7 Feb 2022 • Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto de Alencar Lotufo, Rodrigo Nogueira

For that, we participated in the legal case entailment task of COLIEE 2021, in which we use such models with no adaptations to the target domain.

Zero-shot hashtag segmentation for multilingual sentiment analysis

1 code implementation • 6 Dec 2021 • Ruan Chaves Rodrigues, Marcelo Akira Inuzuka, Juliana Resplande Sant'Anna Gomes, Acquila Santos Rocha, Iacer Calixto, Hugo Alexandre Dantas do Nascimento

Hashtag segmentation, also known as hashtag decomposition, is a common step in preprocessing pipelines for social media datasets.

Feature Engineering Hate Speech Detection +4

Yes, BM25 is a Strong Baseline for Legal Case Retrieval

1 code implementation • 26 Apr 2021 • Guilherme Moraes Rosa, Ruan Chaves Rodrigues, Roberto Lotufo, Rodrigo Nogueira

We describe our single submission to task 1 of COLIEE 2021.

Retrieval