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JUCS - Journal of Universal Computer Science 19(1): 25-52
doi: 10.3217/jucs-019-01-0025
Received: 01 Jan 2012 | Approved: 28 Dec 2012 | Published: 01 Jan 2013
This article is part of:
JUCS - Journal of Universal Computer Science 19(1)
Authors
   
Edson OliveiraJr - Corresponding author
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Itana M. S. Gimenes
State University of Maringa, Maringa, Brazil
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José Carlos Maldonado
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Paulo C. Masiero
University of Sãao Paulo, São Carlos, Brazil
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Leonor Barroca
The Open University, Milton Keynes, United Kingdom
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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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