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JUCS - Journal of Universal Computer Science 18(1): 25-43
doi:
10.3217/jucs-018-01-0025
Received:
15 Jul 2011 | Approved:
09 Dec 2011 | Published:
01 Jan 2012
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Authors
Santi Caballe
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Open University of Catalonia, Barcelona, Spain
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Open University of Catalonia, Barcelona, Spain
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Coventry University, Coventry, United Kingdom
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Modelli Matematici e Applicazioni (MoMA, SpA), Baronissi, Italy
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University of Aegean, Mytilini, Greece
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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.