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JUCS - Journal of Universal Computer Science 11(11): 1780-1791
doi:
10.3217/jucs-011-11-1780
Published:
28 Nov 2005
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Author
Jason J. Jung 
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Yeungnam University, Gyeongsan, Republic of Korea
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Conflict of interest
The author has declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.