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JUCS - Journal of Universal Computer Science 13(10): 1471-1483
doi:
10.3217/jucs-013-10-1471
Published:
28 Oct 2007
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Authors
Chunguo Wu
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Jilin University and Beijing Jiaotong University, China
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University of Trento, Italy
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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.