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Data marking method and device, storage medium and electronic equipment

A data marking and labeling technology, applied in the computer field, can solve the problems of high labor marking cost, difficulty in collecting black samples, and few black sample labels.

Active Publication Date: 2020-02-18
HANGZHOU FRAUDMETRIX TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Many sample labels are required, and the cost of manpower marking is high. Moreover, in the Internet field, it is difficult to collect black samples, so there are few black sample labels and a single sample label

Method used

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  • Data marking method and device, storage medium and electronic equipment
  • Data marking method and device, storage medium and electronic equipment
  • Data marking method and device, storage medium and electronic equipment

Examples

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Embodiment Construction

[0030] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus their repeated descriptions will be omitted.

[0031] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the invention. However, those skilled in the art will appreciate that the technical solutions of the present invention may be practiced without one or more of the ...

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Abstract

The embodiment of the invention provides a data marking method and device, a storage medium and electronic equipment. The method comprises: acquiring labels of part of data in target data; determininghyper-parameters corresponding to the current algorithm; obtaining a model constructed based on the hyper-parameters, and obtaining a prediction value of the target data based on the model; sorting the target data based on the predicted value, extracting target data of a first preset proportion based on sorting, and performing binning operation; judging whether the concentration of the black label in the target data of the previous box in the two adjacent boxes is greater than the concentration of the black label in the target data of the next box or not; and if a judgment result is yes, extracting target data of a second preset proportion based on the sorting, marking the target data as a black label, and updating the target data based on the black label. Compared with a data marking method provided in the related technology, the method achieves the marking of a large amount of data based on a very small number of labels.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a data marking method, device, storage medium and electronic equipment. Background technique [0002] With the development of information technology, data-based prediction and processing are becoming more and more frequent. In some scenarios, data needs to be marked to use the marked data for further processing. [0003] Some data labeling methods have been proposed in related technologies, for example: [0004] The first type of method uses a lot of manpower to label the data. For example, outsource 100 people to label the data, and then use a supervised algorithm to model it. [0005] The second class of methods, using the label propagation algorithm, is based on the existing few label propagation. [0006] The third type of method uses active learning algorithms to manually mark samples with poor model recognition effects. [0007] In the process of realizing the...

Claims

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Application Information

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IPC IPC(8): G06F16/955G06F16/906G06K9/62
CPCG06F16/955G06F16/906G06F18/2411
Inventor 张文会廖剑
Owner HANGZHOU FRAUDMETRIX TECH CO LTD
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