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Hugo Aerts

4 accepted papers

2025

Sparse Autoencoder Features for Classifications and Transferability

EMNLP 2025

Sparse Autoencoders (SAEs) provide potential for uncovering structured, human-interpretable representations in Large Language Models (LLMs), making them a crucial tool for transparent and controllable AI systems. We systematically analyze SAE for interpretable feature extraction from LLMs in safety-

2025

WorldMedQA-V: a multilingual, multimodal medical examination dataset for multimodal language models evaluation

NAACL 2025findings

Multimodal/vision language models (VLMs) are increasingly being deployed in healthcare settings worldwide, necessitating robust benchmarks to ensure their safety, efficacy, and fairness. Multiple-choice question and answer (QA) datasets derived from national medical examinations have long served as…

2024

Cross-Care: Assessing the Healthcare Implications of Pre-training Data on Language Model Bias

NeurIPS 2024poster

Large language models (LLMs) are increasingly essential in processing natural languages, yet their application is frequently compromised by biases and inaccuracies originating in their training data. In this study, we introduce \textbf{Cross-Care}, the first benchmark framework dedicated to assessin…

2024

Language Models are Surprisingly Fragile to Drug Names in Biomedical Benchmarks

EMNLP 2024finding

Medical knowledge is context-dependent and requires consistent reasoning across various natural language expressions of semantically equivalent phrases. This is particularly crucial for drug names, where patients often use brand names like Advil or Tylenol instead of their generic equivalents. To st…