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Ricardo Campos

5 accepted papers

2025

Enhancing Portuguese Variety Identification with Cross-Domain Approaches

AAAI 2025technical

Recent advances in natural language processing have raised expectations for generative models to produce coherent text across diverse language varieties. In the particular case of the Portuguese language, the predominance of Brazilian Portuguese corpora online introduces linguistic biases in these m…

2025

NarratEX Dataset: Explaining the Dominant Narratives in News Texts

EMNLP 2025

We present NarratEX, a dataset designed for the task of explaining the choice of the Dominant Narrative in a news article, and intended to support the research community in addressing challenges such as discourse polarization and propaganda detection. Our dataset comprises 1,056 news articles in fou

2025

Tradutor: Building a Variety Specific Translation Model

AAAI 2025technical

Language models have become foundational to many widely used systems. However, these seemingly advantageous models are double-edged swords. While they excel in tasks related to resource-rich languages like English, they often lose the fine nuances of language forms, dialects, and varieties that are…

2024

Text2Story Lusa: A Dataset for Narrative Analysis in European Portuguese News Articles

COLING 2024main

Narratives have been the subject of extensive research across various scientific fields such as linguistics and computer science. However, the scarcity of freely available datasets, essential for studying this genre, remains a significant obstacle. Furthermore, datasets annotated with narratives com…

Cited by 2SourcePDFScholar
2024

text2story: A Python Toolkit to Extract and Visualize Story Components of Narrative Text

COLING 2024main

Story components, namely, events, time, participants, and their relations are present in narrative texts from different domains such as journalism, medicine, finance, and law. The automatic extraction of narrative elements encompasses several NLP tasks such as Named Entity Recognition, Semantic Role…