Data extracting method based on metadata

A data extraction and metadata technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of difficult expansion, poor adaptability, complex design, etc., and achieve the effect of easy management and expansion, and unified model

Inactive Publication Date: 2014-07-23
INSPUR SOFTWARE CO LTD
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Problems solved by technology

This design is not only complex in design, but also poor in adaptability
When regionalized forms appear due to changes in industry standards or in different regions, cumbersome and complicated changes will occur, which will bring huge maintenance workload and are not easy to expand

Method used

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  • Data extracting method based on metadata
  • Data extracting method based on metadata
  • Data extracting method based on metadata

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Embodiment

[0025] The metadata-based data extraction method of the present invention includes data extraction model definition, data extraction item definition, data update source definition, and data extraction classification logic processing.

[0026] Further explanation follows:

[0027] (1) Definition of data extraction model

[0028] According to business requirements, define the framework of the data extraction model, and classify and summarize the data to be extracted from different aspects, different dimensions, and different points. Each model definition includes: model internal code, name, description of basic attributes, and the processing method of the model, whether a jump identifier is required, and the definition of the table name for storing detailed information. Through the definition of these aspects, the extraction process and method of a data extraction model can be determined.

[0029] Attributes describe processing method Cumulative class, basic...

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Abstract

The invention discloses a data extracting method based on metadata, and belongs to the field of data extracting. According to the method, a data extracting model is established on the basis of a common metadata model of a service model, and service data are extracted and formulated from the service model. Compared with the prior art, the data extracting method based on the metadata is based on industrial standard specification data elements, a metadata model is sorted out by extracting, refining and carding the service model, and the service data correspond to the metadata. Service classification is carried out on the metadata, and the processed metadata are mapped to the established data extracting model, so that the data extracting model based on the metadata is formed, the purpose of extracting the flexible service data is achieved, and the data extracting method has good popularization and application value.

Description

technical field [0001] The invention relates to the field of data extraction, in particular to a metadata-based data extraction method. Background technique [0002] There are many large and complex business models in each business line of the health industry, and the corresponding data models have business characteristics such as complex table structures and numerous fields. [0003] Among the existing data extraction models, most of them are targeted data extraction model designs for each business model or an independent business model. This design is not only complex in design, but also poor in adaptability. When regionalization occurs due to changes in industry standards or in different regions, cumbersome and complicated changes will occur, resulting in a huge maintenance workload and not easy to expand. Contents of the invention [0004] The technical task of the present invention is to provide a method for extracting data based on metadata to address the above-men...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/254
Inventor 胡顺杰王刚张立勇
Owner INSPUR SOFTWARE CO LTD
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