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Text-based data retrieval method

A data retrieval and text technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as poor knowledge, complex characteristics, and difficulty in meeting the needs of financial users, and achieve the effect of improving efficiency

Inactive Publication Date: 2015-12-16
成都博睿德科技有限公司
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AI Technical Summary

Problems solved by technology

Network information text documents then present more complex features, exposing some problems that need to be solved urgently
However, traditional search engines in the financial field face the grammatical level of text string matching and lack semantic analysis for information representation, processing and understanding, that is, information is rich but knowledge is poor, so they rely on traditional data retrieval methods It is difficult to meet the increasing demands of financial users

Method used

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Embodiment Construction

[0022] The following and accompanying appendices illustrating the principles of the invention Figure 1 A detailed description of one or more embodiments of the invention is provided together. The invention is described in connection with such embodiments, but the invention is not limited to any embodiment. The scope of the invention is limited only by the claims and the invention encompasses numerous alternatives, modifications and equivalents. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. These details are provided for the purpose of example and the invention may be practiced according to the claims without some or all of these specific details.

[0023] One aspect of the present invention provides a text-based data retrieval method. figure 1 It is a flowchart of a text-based data retrieval method according to an embodiment of the present invention. The invention uses entities ...

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Abstract

The invention provides a text-based data retrieval method. The text-based data retrieval method comprises the steps of utilizing an entity knowledge base to establish the semantic relation of words, conducting semantic marking on document contents, analyzing the semantic information of retrieval words of a user, expanding the semantic information and comparing original retrieval words of the user with a similarity value of a retrieval result set after expanding. The text-based data retrieval method overcomes the shortcomings of traditional data retrieval, and the data retrieval efficiency is improved on the aspects of information recall ratio and precision ratio.

Description

technical field [0001] The invention relates to natural language processing, in particular to a text-based data retrieval method. Background technique [0002] With the rapid development of Internet technology, today's society has entered the information age, especially under the background of big data in the current financial field, the number of network text information documents is increasing. Network information text documents then present more complex characteristics, exposing some problems that need to be solved urgently. However, traditional search engines in the financial field face the grammatical level of text string matching and lack semantic analysis for information representation, processing and understanding, that is, information is rich but knowledge is poor, so they rely on traditional data retrieval methods It has been difficult to meet the increasing demands of financial users. Contents of the invention [0003] In order to solve the problems in the abo...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/3331
Inventor 李垚霖
Owner 成都博睿德科技有限公司
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