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JUCS - Journal of Universal Computer Science 18(8): 1032-1047
doi:
10.3217/jucs-018-08-1032
Received:
23 Sep 2011 | Approved:
14 Dec 2011 | Published:
28 Apr 2012
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Authors
Ting Ting Qin
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Hiroshima University, Hiroshima, Japan
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Hiroshima University, Hiroshima, Japan
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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.