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JUCS - Journal of Universal Computer Science 11(6): 1083-1101
doi:
10.3217/jucs-011-06-1083
Published:
28 Jun 2005
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Authors
Jia Yang 
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Department of Computer Science, The University of Auckland, Auckland, New Zealand
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Department of Computer Science, The University of Auckland, Auckland, New Zealand
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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.