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JUCS - Journal of Universal Computer Science 21(8): 1086-1105
doi:
10.3217/jucs-021-08-1086
Received:
20 Nov 2014 | Approved:
30 Jun 2015 | Published:
01 Aug 2015
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Authors
Lluís Vicent Safont
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La Salle Open University, La Massana, Andorra
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La Salle Ramon Llull University, Barcelona, Spain
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La Salle Ramon Llull University, Barcelona, Spain
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Universitat Politecnica de Catalunya, Barcelona, 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.