Metadata auxiliary governance-based space-time big data quality inspection method and system

A quality inspection, data quality technology, applied in the field of data processing

Inactive Publication Date: 2021-03-05
广东精一信息技术有限公司
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Problems solved by technology

[0007] The present invention provides a method and system for quality inspection of spatio-temporal big data based on metadata-assisted governance to solve the above existing problems

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  • Metadata auxiliary governance-based space-time big data quality inspection method and system
  • Metadata auxiliary governance-based space-time big data quality inspection method and system

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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0048] It should be understood that the step numbers used herein are only for convenience of description, and are not intended to limit the execution order of the steps.

[0049] It should be understood that the terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a", "an"...

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Abstract

The invention provides a metadata auxiliary governance-based space-time big data quality inspection method and system. The method comprises the steps of obtaining the spatio-temporal big data; establishing a metadata governance support library according to the obtained space-time big data so as to store data sources, data quality, data attribution, coordinate systems and space information of the space-time big data; and performing quality inspection on the spatio-temporal big data stored in the metadata governance support library according to the quality inspection rule, and obtaining the spatio-temporal big data passing the quality inspection. According to the invention, a set of metadata standard and quality inspection rule standard is formulated, an automatic data quality inspection tool for space-time big data is constructed according to the standards, real-time early warning can be performed when a quality problem occurs, the data quality inspection efficiency and the problem feedback speed are improved, and the quality of space-time data is well guaranteed.

Description

technical field [0001] The present invention relates to the technical field of data processing, in particular to a method and system for quality inspection of spatio-temporal big data based on metadata-assisted governance. Background technique [0002] Spatiotemporal big data includes three-dimensional information of time, space, and thematic attributes, and has the comprehensive characteristics of multi-source, massive, and fast update. Spatio-temporal big data from aggregation to processing, from organization to service, the entire data governance process will produce a variety of quality problems, such as wrong data sources, inconsistent coordinate systems, etc. Poor data quality affects the entire data chain from data production to consumption. [0003] At present, the commonly used quality inspection methods for spatiotemporal big data in the industry mainly focus on the data specification itself, and the quality inspection is carried out under manual supervision by co...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/22G06F16/2455G06F16/29
CPCG06F16/2228G06F16/24552G06F16/24553G06F16/29
Inventor 沈松雨邬翰然林观平
Owner 广东精一信息技术有限公司
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