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JUCS - Journal of Universal Computer Science 17(9): 1222-1240
doi: 10.3217/jucs-017-09-1222
Published: 01 May 2011
This article is part of:
JUCS - Journal of Universal Computer Science 17(9)
Authors
Francisco J. García-Peñalvo - Corresponding author
University of Salamanca, Salamanca, Spain
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Miguel Á. Conde
University of Salamanca, Salamanca, Spain
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Marc Alier Forment
UPC Universitat Politècnica de Catalunya Barcelona-Tech, Barcelona, Spain
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María J. Casany
Polytechnic University of Catalonia - UPC, 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.
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