Method for searching for a given point in regions defined by attribute ranges, then sorted by lower and upper range values and dimension
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United States of America Patent
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Oct 25, 1994
Issued Date -
N/A
app pub date -
Dec 3, 1993
filing date -
May 31, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
Regions, such as those determined by attributes in a spread sheet, are defined by ranges of attribute values. Regions are distinct if they differ in their number of ranges (dimension) or because a pair of corresponding ranges fail to overlap. A region is located for a given point by: (1) sorting the regions by lower range value and dimension to form list A, then by upper range and dimension to form list B, (2) paring lists A and B to sublists of the dimension of the point, and (3) searching the shorter of the pared lists.
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