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A Method of Evaluating the Consistency of Composition Items

A consistency and composition technology, applied in the computer field, can solve problems such as dependence, achieve the effect of ensuring the accuracy of prediction and solving the dependence of manual annotation

Active Publication Date: 2020-08-18
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to propose a method for evaluating the consistency of composition items to solve the technical problem of the dependence of the evaluation model on the consistency of essay items on manual labeling

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  • A Method of Evaluating the Consistency of Composition Items
  • A Method of Evaluating the Consistency of Composition Items
  • A Method of Evaluating the Consistency of Composition Items

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Embodiment Construction

[0047] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

[0048] The method for evaluating the consistency of composition questions of the present invention includes:

[0049] Extracting the characteristics of the composition to be tested, including extracting the character image vector and the story description vector of the composition to be tested;

[0050] Construct a discriminating model for the consistency of the text and complete the evaluation of the consistency of the text, including:

[0051] S1. Map the character image vector and the story description vector to the same dimension, and obtain the character abstract features and story abstract features of the same dimension;

[0052] S2. Use a layer of neural network with shared weights to extract abstract features, so that the abstract features of the characte...

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Abstract

The invention discloses a method for evaluating consistency of composition questions, which comprises the following steps of: extracting characteristics of a composition to be tested, including a character image vector and a story tracing vector of the composition to be tested; according to the method, a text question consistency discrimination model is constructed, the discrimination model can realize consistency judgment of two parts of features according to character image features and story description features of a to-be-tested composition, and evaluation of the text question consistencyis completed. The model constructed by the invention can be trained under an unsupervised condition, and text question consistency evaluation is performed on an unknown composition, so that the problem that a text question consistency evaluation model depends on manual annotation is solved. The evaluation method is high in accuracy, does not need to depend on manual annotation data, and can be suitable for evaluating the consistency of text questions of general compositions.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method for evaluating the consistency of composition items. Background technique [0002] Consistency of essay questions plays a key role in composition evaluation. At present, domestic research on the design and algorithm of the composition automatic evaluation system has initially formed a scale. These studies mainly use natural language processing technology to extract the text information in the composition to be tested, and transform it into a classification or regression problem through a supervised machine learning model to achieve the rating or scoring of the composition. In these studies, the text information extracted for composition evaluation is mainly the shallow features of the text, which is in view of the trend of using shallow text features to implement text classification / regression tasks in the field of natural language processing. [0003] Although the e...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F40/30G06F16/35G06F16/33G06F16/383G06N3/08
CPCG06F16/3347G06F16/35G06F16/383G06N3/08
Inventor 刘杰周建设张凯史金生刘丽珍
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY