Data quality evaluation method
A technology of data quality and logical objects, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as difficulty in adapting to changes in assessment and evaluation methods, and achieve the effect of easy expansion and strong adaptability
Inactive Publication Date: 2014-02-19
STATE GRID CORP OF CHINA +1
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[0003] At the same time, with the constant changes in data quality assessment and evaluation standards and rules, the existing assessment and evaluation information system is difficult to adapt to the changes and adjustment needs of these assessment and evaluation methods
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[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] The object of the present invention is to provide a method for evaluating data quality, comprising the following steps:
[0023] a. Establish a logical object rule model, abstract the requirements and rules of logical processing, and establish a logical rule model of logical objects;
[0024] b. Establish a logical rule description language based on the logical object rule model, and establish a logical rule description language for data quality evaluation through analysis and abstraction according to logical rules and standards. The logical rule description language is composed of the following parts,
[0025] (1) Logical definition: define logical rules according to the requirements of data evaluation;
[0026] (2) Logical analysis: take out the defined logical rules from the logical rule base, and convert them into language grammars that can be recognized ...
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The invention relates to a data quality evaluation method. The data quality evaluation method comprises the following steps that firstly, a logic object rule model is built, logic processing requirements and rules are abstracted, and a logic rule model of logic objects is built; secondly, a logic rule description language is built according to the logic object rule model, and namely the logic rule description language for data quality evaluation is built according to logic rules and standards, wherein the logic rule description language is composed of logic defining, logic analysis and logic execution; thirdly, logic rule analysis is carried out, and a rule engine of the logic rule description language is built for the logic rule description language to accomplish logic rule description language processing so as to achieve logic rule judgment and accomplish data quality evaluation, wherein the logic rule engine includes logic rule description language analysis, correctness checking and rule execution. The data quality evaluation method has the advantages of being easy to maintain and expand and strong in adaptability.
Description
technical field [0001] The invention relates to an evaluation method, especially a method for evaluating data quality. Background technique [0002] With the promotion and application of various business application information systems, more and more enterprises have begun to pay attention to the quality of various business data, and have begun to carry out a lot of governance work in terms of data quality improvement; at the same time, correspondingly for various The evaluation and examination methods of data quality have also been further improved with the application of information systems. Most units and enterprises have carried out data quality assessment work for different departments, specialties, and fields. [0003] At the same time, with the continuous changes in data quality assessment and evaluation standards and rules, it is difficult for the existing assessment and evaluation information system to adapt to the changes and adjustment needs of these assessment an...
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IPC IPC(8): G06F19/00
Inventor 付萍萍陶振文陈燕青洪微明余鹏飞
Owner STATE GRID CORP OF CHINA