Retrato_Cantado: Criação e Análise de um Corpus para Representações de Identidade em Letras de Músicas Brasileiras

Vitória P. Firmino, Janaina N. de S. Lopes, Bruno M. Nogueira, Valéria Q. dos Reis


Abstract
This paper presents the development of Retrato_Cantado, a dataset of sentences extracted from Brazilian song lyrics and manually annotated to identify and categorize predicative constructions that describe individuals. The corpus findings validate the effectiveness of lexical-syntactic patterns for identifying predicative sentences, confirming their suitability for large-scale linguistic annotation tasks. The dataset also serves as a valuable resource for the analysis of textual discourse and the representation of social groups in Brazilian culture. We additionally trained a person-characterization classifier to illustrate the applicability of the dataset to the automatic detection of predicative descriptions, which achieved high accuracy and highlights the potential for creating more specialized models capable of detecting physical and sociocognitive categories, as well as performing sentiment polarity analysis.
Anthology ID:
2026.propor-1.68
Volume:
Proceedings of the 17th International Conference on Computational Processing of Portuguese (PROPOR 2026) - Vol. 1
Month:
April
Year:
2026
Address:
Salvador, Brazil
Editors:
Marlo Souza, Iria de-Dios-Flores, Diana Santos, Larissa Freitas, Jackson Wilke da Cruz Souza, Eugénio Ribeiro
Venue:
PROPOR
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
687–696
Language:
URL:
https://aclanthology.org/2026.propor-1.68/
DOI:
Bibkey:
Cite (ACL):
Vitória P. Firmino, Janaina N. de S. Lopes, Bruno M. Nogueira, and Valéria Q. dos Reis. 2026. Retrato_Cantado: Criação e Análise de um Corpus para Representações de Identidade em Letras de Músicas Brasileiras. In Proceedings of the 17th International Conference on Computational Processing of Portuguese (PROPOR 2026) - Vol. 1, pages 687–696, Salvador, Brazil. Association for Computational Linguistics.
Cite (Informal):
Retrato_Cantado: Criação e Análise de um Corpus para Representações de Identidade em Letras de Músicas Brasileiras (Firmino et al., PROPOR 2026)
Copy Citation:
PDF:
https://aclanthology.org/2026.propor-1.68.pdf