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Short text classification method based on deep neural mapping support vector machine

A support vector machine and deep neural technology, applied in the field of short text classification, short text classification or emotion classification based on deep neural mapping support vector machine, can solve the problems of ignoring the order of appearance, avoid loss, improve accuracy, The effect of improving accuracy

Inactive Publication Date: 2018-11-30
BEIJING UNIV OF TECH
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Problems solved by technology

The key step in the text classification task is feature representation. Most of the traditional feature representation methods are based on the bag of words model, and these methods often ignore the context information of the text or the order in which words appear in the text.

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  • Short text classification method based on deep neural mapping support vector machine
  • Short text classification method based on deep neural mapping support vector machine
  • Short text classification method based on deep neural mapping support vector machine

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Embodiment Construction

[0016] In order to make the purpose, technical solution and features of the invention clearer, the present invention will be further described in detail below in conjunction with specific implementation examples and with reference to the accompanying drawings. The present invention uses a deep neural mapping support vector machine to complete text classification tasks, and adopts an overall optimization method instead of dividing the model into two parts, a feature extractor and a classifier, for separate training. Such a training method enhances the robustness of the overall classification of the model, prevents the model from overfitting, and also enhances the generalization ability of the model. Second, using a convolutional neural network is ideal for extracting richer high-order features. The improvement of the present invention can be summarized in the following aspects, 1) using word vectors instead of traditional feature representation methods, not only greatly reduces...

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Abstract

The invention discloses a short text classification method based on a deep neural mapping support vector machine, and belongs to the field of text classification and deep learning. A short text classification algorithm combining a convolutional neural network and the deep neural mapping support vector machine (DNMSVM) is provided for solving the problems that Softmax is adopted as a classifier forthe convolutional neural network, the generalization capability is insufficient, feature extraction and kernel function learning are needed for directly using the support vector machine for classification and the optimal solution is often difficult to achieve, and thus the classification effect on short text is improved. By means of the method, complex preprocessing of the text is not needed, theaccuracy is high, and the reliability and robustness are improved.

Description

technical field [0001] The invention belongs to the field of text classification and deep learning, and relates to a short text classification method based on a deep neural mapping support vector machine, which can be used for short text classification or emotion classification such as movie evaluation and commodity evaluation. Background technique [0002] In recent years, with the rapid development of computer technology, the Internet, and the mobile Internet, the number of Internet users has shown explosive growth. A large number of active users generate a large number of short texts (ShortText) on various information interaction platforms every day, and these short texts It involves various fields of people's daily life, such as product review (Product Review), movie review (Movie Review), and web page information retrieval (Web Information Retrival). Massive texts contain a lot of information to be mined. This is a hot research topic in the field of machine learning in ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06K9/62
CPCG06F18/2411
Inventor 李玉鑑阚海鹏张婷刘兆英
Owner BEIJING UNIV OF TECH
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