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An Enhanced Version of Pattern Matching Algorithm using Bitwise XOR Operation

by K. P. Ambika, U. Ramesh, K. Saravanan, J. Hencil Peter
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 68 - Number 23
Year of Publication: 2013
Authors: K. P. Ambika, U. Ramesh, K. Saravanan, J. Hencil Peter
10.5120/11720-7392

K. P. Ambika, U. Ramesh, K. Saravanan, J. Hencil Peter . An Enhanced Version of Pattern Matching Algorithm using Bitwise XOR Operation. International Journal of Computer Applications. 68, 23 ( April 2013), 24-30. DOI=10.5120/11720-7392

@article{ 10.5120/11720-7392,
author = { K. P. Ambika, U. Ramesh, K. Saravanan, J. Hencil Peter },
title = { An Enhanced Version of Pattern Matching Algorithm using Bitwise XOR Operation },
journal = { International Journal of Computer Applications },
issue_date = { April 2013 },
volume = { 68 },
number = { 23 },
month = { April },
year = { 2013 },
issn = { 0975-8887 },
pages = { 24-30 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume68/number23/11720-7392/ },
doi = { 10.5120/11720-7392 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:28:42.115861+05:30
%A K. P. Ambika
%A U. Ramesh
%A K. Saravanan
%A J. Hencil Peter
%T An Enhanced Version of Pattern Matching Algorithm using Bitwise XOR Operation
%J International Journal of Computer Applications
%@ 0975-8887
%V 68
%N 23
%P 24-30
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this study, a new algorithm for the traditional pattern matching problem has been proposed. This algorithm is a modified version of KMP algorithm and using bitwise XOR operation to process two characters (or bytes) in parallel, to speed up the pattern matching process. An additional loop to avoid the undesirable comparison(s) also been introduced and let the algorithm to initiate, and continue only the essential comparisons from the required location. As the new algorithm uses the principle of Finite automata which is used by KMP algorithm and Bitwise XOR operation to speed up the character match, it shows some reasonable performance improvement. Also this new algorithm is easy to implement as it doesn't require any additional/complex data structure(s) and suitable for DNA sequence search.

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Index Terms

Computer Science
Information Sciences

Keywords

KMP Algorithm Pattern Matching. Exact Pattern Matching

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