Chinese grammar debugging method and system based on multivariate text features
A text and grammar technology, applied in the field of text recognition, can solve the problems such as the lack of effective use of prior knowledge of grammar and the need to improve the effect of grammar error checking, so as to achieve the effect of improving the effect of grammar error checking, improving performance and improving ability.
Active Publication Date: 2021-01-05
BEIJING INFORMATION SCI & TECH UNIV
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Problems solved by technology
Although the above model improves the semantic representation ability of the text, it does not effectively use the prior knowledge of grammar, and the effect of grammar error checking needs to be improved
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[0089] The feasibility and beneficial effects of the present invention will be verified below in conjunction with the examples.
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Abstract
The invention discloses a Chinese grammar debugging method and system based on multivariate text features. The method comprises the steps: (1) carrying out vector representation on a text through a pre-training model and grammar priori knowledge to obtain a semantic feature vector and a part-of-speech feature vector, and carrying out end-to-end splicing on the part-of-speech feature vector and thesemantic feature vector to obtain a vector sequence of the text; (2) extracting a feature vector sequence of the text by using a Bi-LSTM model; (3) carrying out attention enhancement based on semantic and part-of-speech matching information on the feature vector sequence; (4) performing linear transformation on the feature vector sequence after attention enhancement to obtain a label prediction sequence; (5) carrying out information enhancement based on word order relation characteristics on the label prediction sequence; and (6) capturing the constraint information of the label prediction sequence after information enhancement, and judging a grammar error boundary position based on the constraint information. Through verification, the method shows a good error checking effect and is superior to other existing similar methods.
Description
technical field [0001] The invention belongs to the technical field of text recognition, and in particular relates to a Chinese grammar error checking method and system based on multiple text features. Background technique [0002] In recent years, grammatical error checking methods mainly include grammatical error checking methods based on rule matching, grammatical error checking methods based on statistical models, and grammatical error checking methods based on deep learning models. [0003] The grammatical error checking method based on rule matching first extracts features such as lexical, syntactic, and grammatical features, then constructs a grammatical rule template, and finally realizes grammatical error checking by matching the text with the grammatical rule template. Grammatical rules can better describe the special grammatical structure in the text, but when the text contains complex grammatical structures and informal expressions, the grammatical rules often ca...
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Patent Type & Authority Applications(China)
IPC IPC(8): G06F40/289G06F40/253G06F40/216G06F40/30G06N3/04G06N3/08
CPCG06F40/289G06F40/253G06F40/30G06F40/216G06N3/049G06N3/084G06N3/045Y02D10/00
Inventor 张仰森黄改娟王思远陈若愚段瑞雪尤建清
Owner BEIJING INFORMATION SCI & TECH UNIV
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