[HTML][HTML] Negation-based transfer learning for improving biomedical Named Entity Recognition and Relation Extraction

H Fabregat, A Duque, J Martinez-Romo… - Journal of Biomedical …, 2023 - Elsevier
Abstract Background and Objectives: Named Entity Recognition (NER) and Relation
Extraction (RE) are two of the most studied tasks in biomedical Natural Language …

[HTML][HTML] Recent advances in Swedish and Spanish medical entity recognition in clinical texts using deep neural approaches

R Weegar, A Pérez, A Casillas, M Oronoz - BMC medical informatics and …, 2019 - Springer
Background Text mining and natural language processing of clinical text, such as notes from
electronic health records, requires specific consideration of the specialized characteristics of …

[HTML][HTML] On the creation of a clinical gold standard corpus in Spanish: Mining adverse drug reactions

M Oronoz, K Gojenola, A Pérez, AD De Ilarraza… - Journal of biomedical …, 2015 - Elsevier
The advances achieved in Natural Language Processing make it possible to automatically
mine information from electronically created documents. Many Natural Language …

Automatic extraction of nested entities in clinical referrals in Spanish

P Báez, F Bravo-Marquez, J Dunstan, M Rojas… - ACM Transactions on …, 2022 - dl.acm.org
Here we describe a new clinical corpus rich in nested entities and a series of neural models
to identify them. The corpus comprises de-identified referrals from the waiting list in Chilean …

The Chilean Waiting List Corpus: a new resource for clinical named entity recognition in Spanish

P Báez, F Villena, M Rojas, M Durán… - Proceedings of the 3rd …, 2020 - aclanthology.org
In this work we describe the Waiting List Corpus consisting of de-identified referrals for
several specialty consultations from the waiting list in Chilean public hospitals. A subset of …

A keyphrase-based approach for interpretable ICD-10 code classification of Spanish medical reports

A Duque, H Fabregat, L Araujo… - Artificial Intelligence in …, 2021 - Elsevier
Background and objectives The 10th version of International Classification of Diseases (ICD-
10) codification system has been widely adopted by the health systems of many countries …

The class imbalance problem detecting adverse drug reactions in electronic health records

S Santiso, A Casillas, A Pérez - Health informatics journal, 2019 - journals.sagepub.com
This work focuses on adverse drug reaction extraction tackling the class imbalance problem.
Adverse drug reactions are infrequent events in electronic health records, nevertheless, it is …

[HTML][HTML] Semi-supervised medical entity recognition: A study on Spanish and Swedish clinical corpora

A Perez, R Weegar, A Casillas, K Gojenola… - Journal of biomedical …, 2017 - Elsevier
Objective The goal of this study is to investigate entity recognition within Electronic Health
Records (EHRs) focusing on Spanish and Swedish. Of particular importance is a robust …

Exploring joint AB-LSTM with embedded lemmas for adverse drug reaction discovery

S Santiso, A Perez, A Casillas - IEEE journal of biomedical and …, 2018 - ieeexplore.ieee.org
This work focuses on the detection of adverse drug reactions (ADRs) in electronic health
records (EHRs) written in Spanish. The World Health Organization underlines the …

Learning to extract adverse drug reaction events from electronic health records in Spanish

A Casillas, A Pérez, M Oronoz, K Gojenola… - Expert Systems with …, 2016 - Elsevier
Objective: To tackle the extraction of adverse drug reaction events in electronic health
records. The challenge stands in inferring a robust prediction model from highly unbalanced …