Method and apparatus for extracting data from a data store
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United States of America Patent
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Nov 1, 2011
Grant Date -
Jun 25, 2009
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method includes defining a general query for extracting data from at least one data store operable to store workpiece data associated with the processing of workpieces in a manufacturing system. The general query specifies at least one ambiguous parameter having a plurality of potential values. Metadata associated with the workpiece data is accessed. The metadata is employed to identify a plurality of candidate values for the at least one ambiguous parameter. A plurality of atomic queries is generated. Each atomic query is associated with one of the candidate values. The plurality of atomic queries is executed to extract data from the at least one data store and generate an output report including the extracted data.
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