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Method and system for determining TopN data, and equipment

A technology of data and data items, applied in the computer field, can solve problems such as long execution time and complicated execution process, and achieve the effect of reducing operation time consumption

Pending Publication Date: 2019-07-12
ADVANCED NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the embodiment of this specification provides a method, system, device, and computer-readable medium for determining TopN data, which are used to solve the problems in the prior art that the operation of determining TopN data is complex and time-consuming

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  • Method and system for determining TopN data, and equipment
  • Method and system for determining TopN data, and equipment
  • Method and system for determining TopN data, and equipment

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Embodiment Construction

[0069] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0070] In the prior art, determining TopN data cannot meet the requirements of the author in terms of operational difficulty and time-consuming operation. Aiming at the problems existing in the prior art, the present invention proposes a method for determining TopN data. In order to propose the method of the embodiment of this specification, the inve...

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Abstract

The invention discloses a method and a system for determining TopN data, and equipment. The method comprises: executing grouping operation on original data according to name identifiers of data items,obtaining original data groups, and each name identifier corresponds to one original data group; for each original data packet, performing a deduplication operation according to a sorting field of adata item to obtain a deduplication data packet, and in the same original data packet, only retaining one of a plurality of data items with the same value of the sorting field in the same original data packet; for each duplicate removal data packet, executing in-group sorting operation on the data items based on the values of the sorting fields; and according to an operation result of the intra-group sorting operation, respectively determining data items of which the values of the sorting fields in each original data group are ranked at the first N bits.

Description

technical field [0001] This description relates to the field of computer technology, in particular to a method, system and equipment for determining TopN data. Background technique [0002] In the process of big data development, it is often necessary to determine the sorting of the dimension according to a certain dimension (the sorting here can be arranged from large to small or from small to large) of the top N data (N is a natural number, hereinafter referred to as is TopN data). In order to determine the TopN data, the usual practice is to perform grouping of the data first, and then perform intra-group sorting in each data group in a parallel processing manner, and finally determine the TopN data according to the sorting results of all data groups. This method of performing intra-group sorting on multiple groups in parallel greatly improves the data processing speed. [0003] The above-mentioned processing operation of performing parallel intra-group sorting on multi...

Claims

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Application Information

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IPC IPC(8): G06F16/903
CPCG06F16/90348
Inventor 王珂莉
Owner ADVANCED NEW TECH CO LTD
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