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JUCS - Journal of Universal Computer Science 19(18): 2639-2655
doi: 10.3217/jucs-019-18-2639
Received: 25 Feb 2013 | Approved: 30 Oct 2013 | Published: 01 Dec 2013
This article is part of:
JUCS - Journal of Universal Computer Science 19(18): Technologies for Enhancing Accessibility and Fighting Info-exclusion
Authors
Ramiro Gonçalves - Corresponding author
University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
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José Martins
University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
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Jorge Pereira
University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
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Vitor Santos
Nova School of Statistics and Information Management, Lisbon, Portugal
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Manuel Pérez Cota
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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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