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JUCS - Journal of Universal Computer Science 15(11): 2196-2224
doi:
10.3217/jucs-015-11-2196
Published:
01 Jun 2009
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Authors
Paulo Barbosa
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Federal University of Campina Grande, Campina Grande, Brazil
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Federal University of Campina Grande, Campina Grande, Brazil
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Federal University of Campina Grande, Campina Grande, Brazil
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Universidade Nova de Lisboa, Lisboa, Portugal
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Universidade Nova 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.