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JUCS - Journal of Universal Computer Science 15(9): 1924-1944
doi: 10.3217/jucs-015-09-1924
Published: 01 May 2009
This article is part of:
JUCS - Journal of Universal Computer Science 15(9)
Authors
Yong Xiang - Corresponding author
Tsinghua University, Beijing, China
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Shaohua Zhang
Tsinghua University, Beijing, China
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Yuzhu Shen
Tsinghua University, Beijing, China
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Meilin Shi
Tsinghua University, Beijing, China
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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.
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