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JUCS - Journal of Universal Computer Science 18(6): 750-774
doi:
10.3217/jucs-018-06-0750
Received:
15 Oct 2011 | Approved:
15 Feb 2012 | Published:
28 Mar 2012
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Authors
Ickin Vural
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University of Pretoria, Pretoria, South Africa
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University of Pretoria, Pretoria, South Africa
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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.