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JUCS - Journal of Universal Computer Science 15(7): 1455-1471
doi: 10.3217/jucs-015-07-1455
Published: 01 Apr 2009
This article is part of:
JUCS - Journal of Universal Computer Science 15(7)
Authors
Patrícia Dinis - Corresponding author
Escola Sec. Jaime Moniz, Funchal, Portugal
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Alberto Rodrigues da Silva
INESC-ID & Instituto Superior Técnico, Universidade Técnica de Lisboa, Lisboa, Portugal
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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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