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JUCS - Journal of Universal Computer Science 18(2): 194-217
doi:
10.3217/jucs-018-02-0194
Received:
29 Sep 2010 | Approved:
16 Dec 2011 | Published:
28 Jan 2012
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Authors
Jorge Martinez-Gil 
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University of Málaga, Málaga, Spain
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University of Málaga, Málaga, Spain
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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.