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JUCS - Journal of Universal Computer Science 14(3): 441-462
doi:
10.3217/jucs-014-03-0441
Published:
01 Feb 2008
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Authors
Guomin Yang
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City University of Hong Kong, Hong Kong, Hong Kong
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City University of Hong Kong, Hong Kong, Hong Kong
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City University of Hong Kong, Hong Kong, Hong Kong
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Conflict of interest
The authors have declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.