activity
20242026
collaborators

6 papers

cs.CL2026

Global PIQA: Evaluating Commonsense Reasoning Across 100+ Languages and Cultures

Tyler A. Chang, Catherine Arnett, Abdelrahman Sadallah +377

To date, there exist almost no culturally-specific evaluation benchmarks for large language models (LLMs) that cover a large number of languages and cultures. In this paper, we pre…

cs.CL2026

ALBA: A European Portuguese Benchmark for Evaluating Language and Linguistic Dimensions in Generative LLMs

Inês Vieira, Inês Calvo, Iago Paulo +6

As Large Language Models (LLMs) expand across multilingual domains, evaluating their performance in under-represented languages becomes increasingly important. European Portuguese…

cs.CL2026

AMALIA Technical Report: A Fully Open Source Large Language Model for European Portuguese

Afonso Simplício, Gonçalo Vinagre, Miguel Moura Ramos +19

Despite rapid progress in open large language models (LLMs), European Portuguese (pt-PT) remains underrepresented in both training data and native evaluation, with machine-translat…

cs.CR2025

RedTWIZ: Diverse LLM Red Teaming via Adaptive Attack Planning

Artur Horal, Daniel Pina, Henrique Paz +7

This paper presents the vision, scientific contributions, and technical details of RedTWIZ: an adaptive and diverse multi-turn red teaming framework, to audit the robustness of Lar…

cs.CL2024

Multi-trait User Simulation with Adaptive Decoding for Conversational Task Assistants

Rafael Ferreira, David Semedo, João Magalhães

Conversational systems must be robust to user interactions that naturally exhibit diverse conversational traits. Capturing and simulating these diverse traits coherently and effici…

cs.CV2024

Show and Guide: Instructional-Plan Grounded Vision and Language Model

Diogo Glória-Silva, David Semedo, João Magalhães

Guiding users through complex procedural plans is an inherently multimodal task in which having visually illustrated plan steps is crucial to deliver an effective plan guidance. Ho…