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Label query method and device, electronic equipment and readable storage medium

A query method and label technology, applied in the field of data processing, can solve the problems of large user data, large data table, slow query speed, etc., and achieve the effect of speeding up the calculation process, reducing the scale, and improving the query speed

Active Publication Date: 2021-11-02
PING AN BANK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current tag query method is to directly query user data in the database through multiple tag values. Due to the large amount of user data and the large data table, the query speed is slow

Method used

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  • Label query method and device, electronic equipment and readable storage medium
  • Label query method and device, electronic equipment and readable storage medium
  • Label query method and device, electronic equipment and readable storage medium

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Embodiment Construction

[0050] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0051] An embodiment of the present invention provides a label query method. The subject of execution of the tag query method includes but is not limited to at least one of electronic devices such as a server and a terminal that can be configured to execute the method provided by the embodiment of the present application. In other words, the label query method can be executed by software or hardware installed on the terminal device or server device, and the software can be a block chain platform. The server includes, but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, and the like.

[0052] refer to figure 1 The schematic flow chart of the label query method provided by an embodiment of the present invention is shown. In the embodiment of the present invention, the lab...

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PUM

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Abstract

The invention relates to the field of data processing, and discloses a label query method, which comprises the following steps: performing row-column conversion on a label data table to obtain data of each row in a conversion data table, and constructing a bitmap to obtain corresponding bitmap data; replacing the data of the corresponding row in the conversion data table with each bitmap data to obtain a compressed data table; identifying the logical relationship of all the obtained query tags, and constructing a query formula according to the logical relationship; querying bitmap data of corresponding rows in the compressed data table by utilizing all the query tags to obtain query tag data; replacing the query label in the query formula with the query label data, and calculating the replaced query formula to obtain an initial query result; and performing binary information reduction on the initial query result to obtain a target query result. The invention also relates to a blockchain technology, and the query tag can be stored in a blockchain node. The invention further provides a label query device, equipment and a medium. According to the invention, the label query speed can be improved.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a tag query method, device, electronic equipment and a readable storage medium. Background technique [0002] With the development of the economy and society, targeted product recommendations for different user groups can effectively reduce the user's purchase cost and improve the user's shopping experience; [0003] At present, user groups are divided by different user tags. Therefore, in order to distinguish users with different tags, it is necessary to query the tags in the database and query the users corresponding to the tags. [0004] However, the current tag query method is to directly query user data in the database through multiple tag values. Due to the large amount of user data and the large data table, the query speed is slow. Contents of the invention [0005] The invention provides a tag query method, device, electronic equipment and computer-readable storage mediu...

Claims

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Application Information

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IPC IPC(8): G06F16/535G06F16/51G06F16/27
CPCG06F16/535G06F16/51G06F16/27Y02D10/00
Inventor 杨丹丹倪涛
Owner PING AN BANK CO LTD