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Target object determination method and device

A target object and target technology, applied in the field of target object determination, can solve the problems of massive storage overhead and incomputability, and achieve the effect of reducing storage space and ensuring computing efficiency

Pending Publication Date: 2022-05-10
ZHEJIANG E COMMERCE BANK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each bitmap represents a feature, and each index bit in the bitmap corresponds to a user in the index table, but this scheme can only represent enumerable features. When the feature is numeric, for example: the consumption amount of user 1 is 999 yuan , the consumption amount of user 2 is 1000 yuan, etc. If each value is stored as a bitmap, it will cause massive storage overhead, and it cannot be calculated when delineating the range

Method used

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  • Target object determination method and device

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Embodiment Construction

[0026] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the specification. However, this specification can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of this specification, so this specification is not limited by the specific implementations disclosed below.

[0027] Terms used in one or more embodiments of this specification are for the purpose of describing specific embodiments only, and are not intended to limit one or more embodiments of this specification. As used in one or more embodiments of this specification and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly dictates otherwise. It should also be understood that the term "and / or" used in one or more embodiments of the present specification refers t...

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Abstract

The embodiment of the invention provides a target object determination method and device, and the method comprises the steps: determining an object list containing an initial object, and determining feature data corresponding to a target feature of the initial object from the object list, the feature data corresponding to the target features are processed according to a bitmap algorithm to obtain a data set, the data set comprises the processed feature data, a target threshold value is determined, target bitmap data are determined from the data set according to the target threshold value, and a target object is determined from the initial objects according to the target bitmap data. By using a bitmap algorithm, the feature data is represented by bits, the storage space is reduced, and the calculation efficiency is ensured by using the natural advantage of extremely high bit operation performance of a computer.

Description

technical field [0001] The embodiment of this specification relates to the technical field of big data, and in particular to a method for determining a target object. Background technique [0002] In daily data processing, there are many needs to filter out the corresponding users or the number of users based on user characteristics. At present, there are two more mature solutions, one is similar to the ODPS wide table solution, and the other is based on bitmap. schemes, but both schemes have obvious flaws. [0003] Common ODPS wide table schemes (calculation time ranges from minutes to hours). For enumerable features and numerical non-enumerable features (features as columns), SQL and other syntax can be used to solve the problem, but when there are more than 1000 features, the wide table solution is not available, only multiple tables can be made, and the query Efficiency gradually deteriorates as the amount of data increases, and storage space and computing resources al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/22G06F16/2458
CPCG06F16/2237G06F16/2465
Inventor 庄鑫
Owner ZHEJIANG E COMMERCE BANK CO LTD
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