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Fig. 4 | BMC Bioinformatics

Fig. 4

From: Biomedical semantic indexing by deep neural network with multi-task learning

Fig. 4

The Structure of BRNN. The pink circles annotated with x denotes the input vectors, the blue circles annotated with Hl and Hr denote the output of the recurrent hidden units in two different directions, and the green circles annotated with H denotes the output of the BRNN, which is the hidden state vector generated by concatenating the recurrent hidden states from two directions

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