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Regulation based universal space data quality checking technique

A data inspection and quality inspection technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as error positioning and confirmation, misjudgment, analysis and modeling, and achieve the effect of improving convenience

Inactive Publication Date: 2009-07-08
CHINESE ACAD OF SURVEYING & MAPPING
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] In terms of error analysis technology, some existing quality inspection error analysis methods only list some basic information of errors, and there is no detailed analysis and modeling process for errors, so it is difficult to locate and confirm errors
And there may be a certain degree of misjudgment during the quality inspection process, so the operation of automatic error correction cannot be blindly performed

Method used

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  • Regulation based universal space data quality checking technique
  • Regulation based universal space data quality checking technique
  • Regulation based universal space data quality checking technique

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Embodiment Construction

[0040] Now, the general spatial data quality inspection system of the present invention will be described according to the illustration of the accompanying drawings. According to a preferred embodiment of the present invention, the present invention provides a data quality inspection method and system for inspecting the quality of spatial data that will enter into a spatial database, ie, constitute a spatial database. figure 1 A schematic structural diagram of a data quality inspection system for spatial data according to a preferred embodiment of the present invention is illustrated. according to figure 1 , the general spatial data quality inspection system includes an inspection plan formulation part 10 , a data input part 20 , a quality inspection part 30 and an error filing part 40 .

[0041] The check plan formulating part 10 of the general spatial data quality check system is used to formulate a check plan for the data to be entered into the spatial database, so that th...

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Abstract

The invention discloses a method for checking quality of universal space data based on rules and a system by adopting the method, wherein, the universal space data is used for forming a spatial database. The method comprises the following steps: receiving the input data to form the spatial database including spatial information and attribute information; designing a basic checking operator through the requirements of the data in the spatial database; formulating corresponding data checking rules according to a plurality of structure layers of the logical structure model of the spatial database and through applying the basic checking operator and combining parameter setting; formulating a data checking scheme according to the data requirements and the formulated data checking rules; and checking and outputting error information including various error terms. By adopting the invention, inspectors can conveniently formulate the data checking scheme according to the requirements of input data and data loading and obtain a corresponding error list, thereby obviously enhancing convenience of checking the data quality.

Description

technical field [0001] The invention relates to a rule-based universal spatial data quality inspection method and a spatial database data quality inspection system using the method. Specifically, the present invention relates to a spatial database data quality inspection method and system for inspecting the quality of spatial data using an inspection scheme formulated with inspection rules for data inspection requirements. Background technique [0002] In GIS, the integrity and accuracy of data, which exist in the data specification as fundamental, is the prerequisite for the reliable application of GIS and the basis for realizing the advanced functions of GIS. The quality of GIS data directly affects the economic and social benefits brought by the construction of the spatial database, and affects the correctness and reliability of all applications, analysis and decision-making based on the spatial database. [0003] In today's data production process, due to many participa...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 雷兵张继贤唐新明甘宇航高小明洪志刚
Owner CHINESE ACAD OF SURVEYING & MAPPING
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