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Method and system for generating combined features for machine learning samples

A combination of features and machine learning technology, applied in the field of artificial intelligence, to achieve the effect of improving the effect

Inactive Publication Date: 2017-11-24
THE FOURTH PARADIGM BEIJING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The exemplary embodiment of the present invention aims to overcome the defect that it is difficult to automatically combine the features of machine learning samples in the prior art

Method used

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  • Method and system for generating combined features for machine learning samples
  • Method and system for generating combined features for machine learning samples
  • Method and system for generating combined features for machine learning samples

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the present invention, exemplary embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific implementation methods.

[0048] In an exemplary embodiment of the present invention, automatic feature combination is performed by performing at least one binning operation on a single continuous feature to generate one or more binning features corresponding to the single continuous feature, and combining these binning Combining the binning group features composed of bin features with other discrete features (for example, a single discrete feature and / or other binning group features) can make the generated machine learning samples more suitable for machine learning, so that better predictions can be achieved result.

[0049] Here, machine learning is an inevitable product of the development of artificial intelligence research to a certai...

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Abstract

A method and system for generating combined features for machine learning samples is provided. The method comprises the following steps: (A) data recording which comprises a plurality pieces of attribute information is obtained; (B) at least one kind of binning operation is performed for each continuous feature generated based on the plurality pieces of attribute information, and therefore binning group features made of at least one binning feature can be obtained; each kind of binning operation correspond to one binning feature; (c) combined features of the machine learning samples can be generated via feature combination of the binning group features and / or other discrete features generated based on the plurality pieces of attribute information. Via the method and system, the obtained binning group features and the other features can be combined, effectiveness of the combined features for machine learning samples can be improved, and effects of a machine learning model can be enhanced.

Description

technical field [0001] The present invention generally relates to the field of artificial intelligence, and more specifically, relates to a method and system for generating combined features of machine learning samples. Background technique [0002] With the emergence of massive data, artificial intelligence technology has developed rapidly, and in order to mine value from large amounts of data, it is necessary to generate samples suitable for machine learning based on data records. [0003] Here, each data record can be regarded as a description about an event or object, corresponding to an instance or example. In a data record, there are items that reflect some aspect or nature of an event or object, which may be called "attributes". [0004] How to transform each attribute of the original data record into the characteristics of the machine learning sample will have a great impact on the effect of the machine learning model. In fact, the predictive effect of a machine le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N99/00G06K9/62
CPCG06N20/00G06F18/211G06F18/214
Inventor 陈雨强戴文渊杨强罗远飞涂威威
Owner THE FOURTH PARADIGM BEIJING TECH CO LTD