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Παρασκευή 18 Μαΐου 2018

Classifying medical relations in clinical text via convolutional neural networks

Publication date: Available online 18 May 2018
Source:Artificial Intelligence in Medicine
Author(s): Bin He, Yi Guan, Rui Dai
Deep learning research on relation classification has achieved solid performance in the general domain. This study proposes a convolutional neural network (CNN) architecture with a multi-pooling operation for medical relation classification on clinical records and explores a loss function with a category-level constraint matrix. Experiments using the 2010 i2b2/VA relation corpus demonstrate these models, which do not depend on any external features, outperform previous single-model methods and our best model is competitive with the existing ensemble-based method.



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