Low-resource Information Extraction with the European Clinical Case Corpus

Soumitra Ghosh; Begona Altuna; Saeed Farzi; Pietro Ferrazzi; Alberto Lavelli; Giulia Mezzanotte; Manuela Speranza; Bernardo Magnini

arXiv · 2503.20568

Low-resource Information Extraction with the European Clinical Case Corpus

Soumitra Ghosh·Begona Altuna·Saeed Farzi·Pietro Ferrazzi·Alberto Lavelli·Giulia Mezzanotte·Manuela Speranza·Bernardo Magnini

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Abstract

We present E3C-3.0, a multilingual dataset in the medical domain, comprising clinical cases annotated with diseases and test-result relations. The dataset includes both native texts in five languages (English, French, Italian, Spanish and Basque) and texts translated and projected from the English source into five target languages (Greek, Italian, Polish, Slovak, and Slovenian). A semi-automatic approach has been implemented, including automatic annotation projection based on Large Language Models (LLMs) and human revision. We present several experiments showing that current state-of-the-art LLMs can benefit from being fine-tuned on the E3C-3.0 dataset. We also show that transfer learning in different languages is very effective, mitigating the scarcity of data. Finally, we compare performance both on native data and on projected data. We release the data at https://huggingface.co/collections/NLP-FBK/e3c-projected-676a7d6221608d60e4e9fd89 .

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Soumitra Ghosh, Begona Altuna, Saeed Farzi, Pietro Ferrazzi, Alberto Lavelli, Giulia Mezzanotte, Manuela Speranza, Bernardo Magnini. 2025-03-26. Low-resource Information Extraction with the European Clinical Case Corpus. https://arxiv.org/abs/2503.20568

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