Text topic extraction method and device, computer equipment, medium and program product
A computer equipment, text technology, applied in reasoning methods, text database query, unstructured text data retrieval, etc., can solve the problems of inability to accurately summarize text information, high computing power, and high cost
Active Publication Date: 2020-09-04
BEIJING QIANXIN TECH +1
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Problems solved by technology
This scheme lacks the adaptive ability for different texts, which leads to the fact that the extracted topics cannot accurately summarize the text information.
In another text topic extraction scheme, a deep learning model is usually used to extract text topics, which requires a large amount of manually labeled training data, high computing power, long-term training and debugging, and high cost
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[0028] Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. In the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It will be apparent, however, that one or more embodiments may be practiced without these specific details. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.
[0029] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. The terms "comprising", "comprising" and the like as used herein indicate the presence o...
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The invention provides a text topic extraction method executed by computer equipment. The text topic extraction method comprises the steps of obtaining a to-be-processed text; ; constructing at leastone query statement based on the to-be-processed text; verifying the authenticity of the constructed at least one query statement by utilizing a logical reasoning algorithm based on a pre-constructedknowledge base used for representing the to-be-processed text, the knowledge base being expressed by a logical expression, and the at least one query statement being expressed by a logical expression;and determining the theme of the to-be-processed text based on the query statement verified to be true in the at least one query statement. The invention further provides a theme text extraction device arranged on the computer equipment, the computer equipment, a medium and a program product.
Description
technical field [0001] The present disclosure relates to a text topic extraction method, apparatus, computer equipment, medium and program product. Background technique [0002] In the field of Natural Language Processing (NLP), it is of great significance to extract text topics from texts. It can be widely used in various scenarios such as text subject indexing, text classification, automatic summarization, and case retrieval. [0003] In a text topic extraction scheme, topics are usually generated by combining some fuzzy sentences by using a preset topic template and topic library. This scheme lacks adaptive ability for different texts, resulting in that the extracted topics cannot accurately summarize the textual information. In another text topic extraction scheme, a deep learning model is usually used to extract text topics, which requires a large amount of manually annotated training data, high computing power, long training and debugging, and high cost. SUMMARY OF...
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IPC IPC(8): G06F16/33G06F16/35G06F40/30G06N5/04
CPCG06F16/3344G06F16/355G06F40/30G06N5/04
Inventor 杨宇轩王仕宇
Owner BEIJING QIANXIN TECH