Biomedical relationship extraction method based on pre-training model and self-attention mechanism
A biomedical and relationship extraction technology, applied in neural learning methods, biological neural network models, computer components, etc., can solve the problems of manual template construction and low recall rate, and achieve good results and enhance the effect of relationship extraction.
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[0025] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.
[0026] The biomedical relationship extraction method based on the pre-training model and the self-attention mechanism of the present invention first preprocesses the marked corpus to construct two biomedical entities: such as positional features between proteins, diseases, side effects, etc., and then The original corpus is converted into an input that the deep learning network model can accept; then use the ELMO pre-training model and word embedding to generate word vectors, and then connect them to generate long vectors to represent numerous sentences in biomedical texts; then pass the above long vectors through After a dropout layer, it is input to the BILSTM neural network to learn the context information of biomedical texts; through a layer of Self-attention layer, a multi-head self-attention mechanism is
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