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JUCS - Journal of Universal Computer Science 22(1): 55-81
doi:
10.3217/jucs-022-01-0055
Received:
30 Jun 2015 | Approved:
20 Dec 2015 | Published:
01 Jan 2016
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Authors

Sandra Sanchez-Gordon
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Escuela Politecnica Nacional, Quito, Ecuador
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University of Alicante, Alicante, 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.