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JUCS - Journal of Universal Computer Science 9(8): 745-760
doi:
10.3217/jucs-009-08-0745
Published:
28 Aug 2003
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Authors
Alvaro Reis Figueira
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DCC-FC & LIACC. Universidade do Porto, Portugal
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Departamento de Informatica, Faculdade de Ciencias e Tecnologia, Universidade Nova de Lisboa, Portugal
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DCC-FC & LIACC. Universidade do Porto, 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.