Data processing: database and file management or data structures – Database and file access – Record – file – and data search and comparisons
Reexamination Certificate
2007-11-16
2010-12-07
Vital, Pierre M (Department: 2156)
Data processing: database and file management or data structures
Database and file access
Record, file, and data search and comparisons
C707S603000, C707S602000, C707S754000, C382S128000, C382S130000
Reexamination Certificate
active
07849095
ABSTRACT:
A method for finding sets of data (SDDs) for presentation in two-dimensions, which are similar to a target SDD, is invented. The method leverages a new category of signatures, called equivalence signatures, to characterize the SDDs. The equivalence signature is computed as the action for the motion of a string which sweeps out a sheet specified by the values of the digital data. These signatures have the salient feature that, at worst, they change in a bounded manner when small changes are made to the SDDs and when used to find SDDs that are similar to a target SDDs, they allow for a significant reduction in the number of SDDs to be compared with the target. This is an improvement over the state of the art wherein the computational expensive process of performing a complete search against the entire corpus must be applied.
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Kim Taelor
Vital Pierre M
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