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JUCS - Journal of Universal Computer Science 20(2): 135-168
doi:
10.3217/jucs-020-02-0135
Received:
01 Feb 2013 | Approved:
02 Jan 2014 | Published:
01 Feb 2014
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Authors
Johan Fabry 
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University of Chile, Santiago, Chile
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University of Chile, Santiago, Chile
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INRIA Lille Nord Europe, Lille, France
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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.