Question and answer method and system based on BERT and knowledge base
A BERT-CRF and knowledge base technology, applied in knowledge expression, text database query, biological neural network model, etc., can solve the problem of inability to analyze semantic information, logical expressions and natural language semantic barriers, lack of text correlation analysis, etc. problem, to achieve the effect of improving the recognition accuracy
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[0034] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below in conjunction with the accompanying drawings.
[0035] Such as figure 1 Shown, a kind of question answering method based on BERT and knowledge base of the present invention, comprises the following steps:
[0036] A. Obtain and preprocess the question and answer corpus used to build the knowledge base and for BERT downstream task training;
[0037] B. Construct a question-and-answer knowledge base according to the question-and-answer corpus preprocessed in step A, which consists of a question entity, an attribute entity, and an answer text to form a triplet, which is stored as a question-and-answer knowledge base;
[0038] C. Construct a BERT-based language model according to the question-and-answer corpus preprocessed in step A;
[0039] D. Obtain the training question-answer corpus data of...
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