Delta technique and string-to-string correction

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Conference object , Article 12 Jan 2006 English Publisher:Springer Science and Business Media LLC

Authors: Wolfgang Obst;

doi: 10.1007/bfb0022099

Delta technique and string-to-string correction

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Abstract

Delta technique is used to store versions of programs or other data economically in revision control systems. In recent revision control systems deltas are computed by compare programs, using lines as atomic symbols. In this paper a method is presented which, in contrast, uses characters as atomic symbols. The deltas are about 30 percent smaller than deltas generated by diff (the standard comparison tool on UNIX for generating deltas); the performance is similar to diff.

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Technical University of Berlin
Germany

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