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Data storage method, data query method, device and equipment

A data storage and data technology, applied in other database query, other database retrieval, other database indexing, etc., can solve problems affecting the complexity of data retrieval

Active Publication Date: 2022-07-29
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the complexity of the query algorithm and the complexity of the decompression algorithm jointly affect the complexity of data retrieval

Method used

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  • Data storage method, data query method, device and equipment
  • Data storage method, data query method, device and equipment
  • Data storage method, data query method, device and equipment

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Embodiment Construction

[0025] Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.

[0026] The following will combine figure 1 The application scenarios to which the data storage method, data query method and apparatus provided by the present disclosure can be applied are described.

[0027] figure 1 An exemplary application scenario 100 to which a data storage method, a data query method and apparatus according to an embodiment of the present di...

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Abstract

The invention provides a data storage method, a data query method, devices and equipment, and relates to the technical field of computers, in particular to the technical fields of large search, information retrieval and the like. According to the specific implementation scheme, multiple pieces of to-be-stored data are divided into multiple data segments, and each data segment in the multiple data segments comprises at least one piece of to-be-stored data; for each data segment, performing linear fitting on the to-be-stored data in the data segment to obtain a fitting line segment and a line segment coefficient of the fitting line segment; determining a deviation value between each piece of to-be-stored data in the data segment and the fitting line segment; generating index data according to the line segment coefficient and the deviation value corresponding to each data segment; and storing the index data. The invention further provides a storage medium and a program product.

Description

technical field [0001] The present disclosure relates to the field of computer technology, and in particular, to the technical fields of large search, information retrieval and the like. Background technique [0002] The index module is one of the most important components of the search and recall module, and is responsible for completing the acquisition of data for subsequent sorting and presentation. When indexing, data can be uniquely identified by resource identifiers such as url ids. Then, an inverted index structure can be used, that is, the data is stored in the monotonically increasing order of the resource identifiers, and the resource identifiers of the data to be queried can be located according to the query algorithm during query, and the corresponding data to be queried can be obtained. In addition, the data can also be compressed through a specific compression algorithm, and the data can be decompressed according to the corresponding decompression algorithm wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/901G06F16/903
CPCG06F16/901G06F16/90335
Inventor 徐文栋梁津孙鹏宇杨文博
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD