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JUCS - Journal of Universal Computer Science 18(1): 106-122
doi:
10.3217/jucs-018-01-0106
Received:
15 Jul 2011 | Approved:
09 Dec 2011 | Published:
01 Jan 2012
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Authors
Marc Alier
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Universitat Politècnica de Catalunya - Barcelona Tech, Barcelona, Spain
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Universitat Politècnica de Catalunya - Barcelona Tech, Barcelona, Spain
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Universitat Politècnica de Catalunya - Barcelona Tech, Barcelona, Spain
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Polytechnic University of Catalonia, Barcelona, Spain
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Massachusetts Institute of Technology, Cambridge, United States of America
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University of Salamanca, Salamanca, Spain
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Free Knowledge Institute, Amsterdam, Netherlands
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University of Michigan, Ann Arbor, United States of America
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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.