Attribute segments and data table bias reduction
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United States of America Patent
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May 24, 2011
Grant Date -
Jan 1, 2009
app pub date -
Jan 29, 2008
filing date -
Feb 20, 2004
priority date (Note) -
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Abstract
The present invention provides a method for updating data sources. The method may include identifying a plurality of data sources, identifying a plurality of overlapping attribute segments to use for comparing the data sources, calculating a factor as a function of each of the plurality of overlapping attribute segments, and using the factors to update a first group of values in the second data source to reduce bias. Further, at least a first data source is more accurate than a second data source.
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