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JUCS - Journal of Universal Computer Science 13(6): 839-853
doi:
10.3217/jucs-013-06-0839
Published:
28 Jun 2007
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Authors
Hisham Muhammad
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Pontifícia Universidade Católica do Rio de Janeiro (PUC-RIO), Brazil
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PUC-Rio, Rio de Janeiro, Brazil
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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.