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JUCS - Journal of Universal Computer Science 13(6): 854-873
doi:
10.3217/jucs-013-06-0854
Published:
28 Jun 2007
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Authors
Nuno F. Rodrigues
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Universidade do Minho, Portugal
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Universidade do Minho, 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.