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JUCS - Journal of Universal Computer Science 19(3): 353-382
doi: 10.3217/jucs-019-03-0353
Received: 18 Jan 2012 | Approved: 28 Jan 2013 | Published: 01 Feb 2013
This article is part of:
JUCS - Journal of Universal Computer Science 19(3)
Authors
Angels Rius - Corresponding author
Universitat Oberta de Catalunya, Barcelona, Spain
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Jordi Conesa
Universitat Oberta de Catalunya, Barcelona, Spain
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Elena Garcia-Barriocanal
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Miguel-Ángel Sicilia
University of Alcalá, Alcalá de Henares, 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.
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