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JUCS - Journal of Universal Computer Science 21(5): 679-711
doi:
10.3217/jucs-021-05-0679
Received:
15 Dec 2014 | Approved:
10 Mar 2015 | Published:
01 May 2015
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Authors
Nelson Piedra
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Universidad Técnica Particular de Loja, Loja, Ecuador
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Universidad Tecnica Particular de Loja, Loja, Ecuador
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Universidad Técnica Particular de Loja, Ecuador
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Universidad Politécnica de Madrid, Madrid, 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.