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cs.CL2025

The Temporal Game: A New Perspective on Temporal Relation Extraction

Hugo Sousa, Ricardo Campos, Alípio Jorge

In this paper we demo the Temporal Game, a novel approach to temporal relation extraction that casts the task as an interactive game. Instead of directly annotating interval-level…

cs.CL2025

FRaN-X: FRaming and Narratives-eXplorer

Artur Muratov, Hana Fatima Shaikh, Vanshikaa Jani +21

We present FRaN-X, a Framing and Narratives Explorer that automatically detects entity mentions and classifies their narrative roles directly from raw text. FRaN-X comprises a two-…

cs.CL2025

Enhancing Portuguese Variety Identification with Cross-Domain Approaches

Hugo Sousa, Rúben Almeida, Purificação Silvano +3

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…

cs.CL2025

Tradutor: Building a Variety Specific Translation Model

Hugo Sousa, Satya Almasian, Ricardo Campos +1

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 res…

cs.CL2024

Event Extraction for Portuguese: A QA-driven Approach using ACE-2005

Luís Filipe Cunha, Ricardo Campos, Alípio Jorge

Event extraction is an Information Retrieval task that commonly consists of identifying the central word for the event (trigger) and the event's arguments. This task has been exten…