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JUCS - Journal of Universal Computer Science 20(10): 1488-1498
doi:
10.3217/jucs-020-10-1488
Received:
30 Oct 2013 | Approved:
20 Jun 2014 | Published:
01 Oct 2014
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Authors
Puyuan Yang
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University of Science and Technology of China, Hefei, China
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University of Science and Technology of China, Hefei, 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.