Availability and Accessability |
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Reliability and Credibility |
Usability and Interpretability |
Format consistency
Compare with other Characteristic
Characteristic Name: | Format consistency |
Definition: | Data formats are consistently used |
Dimension: | Consistency |
Granularity: | Element |
Characteristic Type: | Declarative |
Implementation Form: | Rule-based approach |
Verification Metric:
The number of inconsistent data formats reported in an attribute per thousand records |
Validation Metric:
To what extent required rules have been identified and implemented to maintain the declarative characteristic in concern. |
BackgroundGuidelines
The original definitions given below formed the basis of the consolidated definition of the characteristic.
Definition: | Source: |
---|---|
A measure of the equivalence of information stored or used in various data stores, applications, and systems, and the processes for making data equivalent | D. McGilvray, “Executing Data Quality Projects: Ten Steps to Quality Data and Trusted Information”, Morgan Kaufmann Publishers, 2008. More from this source |
The extent to which similar attributes or elements of an information object are consistently represented using the same structure, format, and precision. | STVILIA, B., GASSER, L., TWIDALE, M. B. & SMITH, L. C. 2007. A framework for information quality assessment. Journal of the American Society for Information Science and Technology, 58, 1720-1733. More from this source |
The implementation guidelines are guidelines to follow in regard to the characteristic. The scenarios are examples of the implementation
Guidelines: | Scenario: |
---|---|
Maintain consistent formats for data values across different data bases and different tables in the same database. | (1) Telephone number : Country code/Area code/number (2) Address : House number, Street, Suburb, Sate, Country |
Maintain structural similarity or compatibility of entities and attributes across systems (databases/data sets) and across time. | (1) Customer record has the same structure in all systems which it is being used. |
Maintain consistent and compatible encoding /decoding standards across different applications. | (1) ASCII, UTF-8, XML |
Availability and Accessability |
Currency |
Reliability and Credibility |
Usability and Interpretability |
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