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• W2900223378 abstract "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 importance of reporting ADRs for patients' safety. The fact is that ADRs tend to be under-reported in daily hospital praxis. In this context, automatic solutions based on text mining can help to alleviate the workload of experts. Nevertheless, these solutions pose two challenges: 1) EHRs show high lexical variability, the characterization of the events must be able to deal with unseen words or contexts and 2) ADRs are rare events, hence, the system should be robust against skewed class distribution. To tackle these challenges, deep neural networks seem appropriate because they allow a high-level representation. Specifically, we opted for a joint AB-LSTM network, a sub-class of the bidirectional long short-term memory network. Besides, in an attempt to reinforce lexical variability, we proposed the use of embeddings created using lemmas. We compared this approach with supervised event extraction approaches based on either symbolic or dense representations. Experimental results showed that the joint AB-LSTM approach outperformed previous approaches, achieving an f-measure of 73.3." @default.
• W2900223378 created "2018-11-16" @default.
• W2900223378 creator A5064615378 @default.
• W2900223378 creator A5071070135 @default.
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• W2900223378 date "2019-09-01" @default.
• W2900223378 modified "2023-10-01" @default.
• W2900223378 title "Exploring Joint AB-LSTM With Embedded Lemmas for Adverse Drug Reaction Discovery" @default.
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• W2900223378 doi "https://doi.org/10.1109/jbhi.2018.2879744" @default.
• W2900223378 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30403644" @default.
• W2900223378 hasPublicationYear "2019" @default.
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