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JUCS - Journal of Universal Computer Science 18(1): 62-85
doi:
10.3217/jucs-018-01-0062
Received:
15 Jul 2011 | Approved:
09 Dec 2011 | Published:
01 Jan 2012
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Authors
Jesus G. Boticario
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aDeNu Research Group, Madrid, Spain
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aDeNu Research Group, Madrid, Spain
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aDeNu Research Group, Madrid, Spain
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Atos GIBS (Global Innovation and Business Strategy), Madrid, Spain
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Universidad Politécnica de Valencia, Madrid, Spain
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Universidad Politécnica de Valencia, Madrid, Spain
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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.