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JUCS - Journal of Universal Computer Science 18(9): 1093-1111
doi:
10.3217/jucs-018-09-1093
Received:
01 Dec 2011 | Approved:
28 Apr 2012 | Published:
01 May 2012
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Authors
Feiyu Lin
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Changzhou University, Changzhou, China
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Rostock University, Rostock, Germany
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Changzhou University, Changzhou, 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.