Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2005-03-18
2009-10-06
LeRoux, Etienne P (Department: 2166)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C380S200000, C380S201000, C380S202000, C380S203000, C380S252000, C380S253000, C380S254000, C380S277000, C380S282000, C381S073100, C382S276000, C382S278000
Reexamination Certificate
active
07599927
ABSTRACT:
The present invention relates to searching content, particularly for at least one extract common to a first data file and a second data file. The method comprises a preliminary step of preparing at least the first file by (a) dividing the first file into a series of data packets having a predetermined size, and identifying packet addresses in said file, (b) combining each packet address with a digital signature that defines one of three fuzzy logic states, namely true, false and indeterminate, and is the result of a combinatorial computation on data from said file; whereafter said method comprises performing an actual search for a common extract by (c) comparing the fuzzy logic states combined with each packet address of the first file with fuzzy logic states determined on the basis of data from the second file, and (d) removing from said common extract search the respective address pairs from the first and second files that have the respective logic states true and false or false and true, and retaining the other address pairs that identify data packets that may comprise said common extract.
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Francois Lebrat & TDF
LeRoux Etienne P
Miller Matthias & Hull
Witzenburg Bruce A
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