Method and system of measuring data quality

Details Method and system of measuring data quality Method and system of measuring data quality

2007-07-31

2007-07-31

Tsai, Carol S. W. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

C702S081000, C702S082000, C702S084000, C702S182000, C702S185000, C702S186000, C709S230000, C709S231000, C709S223000, C709S205000

Reexamination Certificate

active

11373701

ABSTRACT:
Data quality measurement is provided for use in a data processing stream, which comprises at least one upstream data processing system and at least one downstream data processing system. An input alert component can be used to provide a measurement of data prior to its input to a data processing system (e.g., a downstream data processing system or an upstream data processing system). An output alert component can be used to provide a measurement on data output by a data processing system. A self-consistency component can be used to measure consistency between items of input, or output data. An end-to-end component can be used to measure data quality using data items from both input data and output data. These components can be used in some combination, or independent of the other, and in any order. In addition, the data quality measurements can be performed separate from that processing performed by either the upstream or downstream processing system.

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