Method and system for updating an archive of a computer file

Details Method and system for updating an archive of a computer file Method and system for updating an archive of a computer file

2002-07-03

2010-06-01

Truong, Cam Y T (Department: 2169)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

C707S640000, C707S661000

Reexamination Certificate

active

07730031

ABSTRACT:
A method and system for updating an archive of a computer file to reflect changes made to the file includes selecting one of a plurality of comparison methods as a preferred comparison method. The comparison methods include a first comparison method wherein the file is compared to an archive of the file and a second comparison method wherein a first set of tokens statistically representative of the file is computed and compared to a second set of tokens statistically representative of the archive of the file. The method further includes carrying out the preferred comparison method to generate indicia of differences between the file and the archive of the file for updating the archive of the file.

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Notification of Transmittal of the International Search Report or the Declaration (PCT Rule 44.1) mailed Oct. 9, 2001 corresponding to International Application No. PCT/US 01/06820 filed Mar. 1, 2001.

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