CDEs loaded into target metadata repository Deliverable Template
From MIKE2.0 Methodology
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The Common Data Elements provide the atomic set of building blocks for building CMM Subjects and CMM Messages by reference. The key aspects related to the creation of the Common Data Elements are as follows:
After CDEs have been loaded to the central metadata repository, they are reviewed by the Information Development team. Population of CDEs is an iterative process and new sources will be added over time.
Example for CDEs loaded into a target metadata repository
CDE Creation – Work Instruction Overview
This solution will outline the process for the administration of the CDE and CMM. It is proposed that the solution will be as flexible and automated as possible to allow for the addition & modification of attributes.
The proposed CDE creation process is as follows:
Step 1 – Meta-data file creation
- The meta-data file can come from two sources. Exporting an ERWin data model or a section of a data model to a delimited file, or output from a preprocessor such as the XSD Preprocessor. This will be a delimited file.
Step 2 – Standardizing the delimited file
- This is to make sure that all the elements names are standardized and that the structure of the file is acceptable by the CDE building program
Step 3 – CDE creation
- The meta-data file will be the input to the CDE Building application that will build the Common Data Elements repository. Logically the CDE will be a list of hierarchical data elements in XSD format. Physically the CDE will be represented by a file system directory structure which will contain XSD files for each data element type/class. It will be the responsibility of the CDE Building program to create this directory structure and to populate it with XSD files.
Step 4 – CDE upload
- Once the CDE files have been created they will be stored centrally in the XML Canon repository. To upload the XSD files into the repository Turbo XML will be used.
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