March 9, 2010

Data Quality - What is it?

Concise, high-value definitions of Data Quality by expert users, analysts, implementers and journalists. This is a great starting point to learn about Data Quality.

Data Quality: The Accuracy Dimension
"Data quality is defined as follows: data has quality if it satisfies the requirements of its intended use. It lacks quality to the extent that it does not satisfy the requirement. In other words, data quality depends as much on the intended use as it does on the data itself. To satisfy the intended use, the data must be accurate, timely, relevant, complete, understood, and trusted."
Jack E. Olson

No Data Left Behind: Federal Student Aid - A Case History
"Data quality institutionalizes a set of repeatable processes to continuously monitor data and improve data accuracy, completeness, timeliness and relevance."
Holly Hyland and Lisa Elliott, Federal Student Aid

Data Quality: It's a Family Affair
Data Quality definition: "The state of completeness, consistency, timeliness and accuracy that makes data appropriate for a specific use."
Wim Helmer, Dun & Bradstreet

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