System and method for batch and real-time feature calculation

A feature calculation and real-time feature technology, applied in the field of data processing, can solve the problems of batch feature calculation logic and real-time feature calculation logic, conflicts, differences, etc., and achieve the effect of avoiding repeated data import

Pending Publication Date: 2019-11-26
THE FOURTH PARADIGM BEIJING TECH CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0007] However, in the existing machine learning platforms or systems, the batch feature calculation logic and the real-time feature calculation logic are not unified, and the two are not the same or even conflict.

Method used

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  • System and method for batch and real-time feature calculation
  • System and method for batch and real-time feature calculation
  • System and method for batch and real-time feature calculation

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Embodiment Construction

[0036] Reference will now be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like numerals refer to like parts throughout. The embodiments are described below in order to explain the present disclosure by referring to the figures.

[0037] In order to solve the separation of batch feature calculation and real-time feature calculation in machine learning scenarios (for example, batch feature calculation logic and real-time feature calculation logic are not unified) and the separation of offline database for batch feature processing and real-time feature processing. Exemplary embodiments may employ a unified script and associated two databases to support both batch feature computation and real-time feature computation. The scripts here may include scripts written in feature query language, etc., and may also include codes or scripts written in various computer languages.

[0038] figure 1 A schema...

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PUM

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Abstract

The invention provides a system and a method for batch and real-time feature calculation. The system comprises a management server, one or more batch feature calculation units, one or more distributedcalculation units, one or more real-time feature calculation units, an offline database and a real-time database. The management server receives a script containing feature calculation logic, in a batch feature calculation scene, initiates batch feature calculations, and deploys the script to generate a real-time calculation plan in a real-time feature calculation scenario, the script including the feature calculation logic being uniform for batch feature calculation logic and real-time feature calculation logic. The real-time database obtains and stores data for real-time feature calculationfrom an offline database. According to the invention, batch feature calculation logic and real-time feature calculation logic can be unified through the script.

Description

technical field [0001] The present disclosure relates generally to the field of data processing, and more particularly, to a system and method for batch and real-time feature computation. Background technique [0002] With the emergence of massive data, people tend to use machine learning techniques to mine value from the data. Machine learning is an inevitable product of the development of artificial intelligence research to a certain stage. It is committed to improving the performance of the system itself by means of calculation and using experience. In computer systems, "experience" usually exists in the form of "data". Through machine learning algorithms, "models" can be generated from data. Model; when facing a new situation, use the trained model to get the corresponding prediction results. [0003] Based on such machine learning technology, a machine learning platform or system is produced. In the machine learning platform or system, whether it is the stage of trai...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/27G06F16/21G06N20/00G06Q10/04
CPCG06F16/27G06F16/211G06N20/00G06Q10/04G06F9/5027G06F16/2386G06F16/25
Inventor 穆妮王太泽
Owner THE FOURTH PARADIGM BEIJING TECH CO LTD
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