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JUCS - Journal of Universal Computer Science 15(13): 2629-2652
doi:
10.3217/jucs-015-13-2629
Published:
01 Jul 2009
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Authors
Lăcrămioara Aştefănoaei
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CWI, Amsterdam, Netherlands
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Universiteit Utrecht, Utrecht, Netherlands
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Universiteit Utrecht, Utrecht, Netherlands
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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.