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JUCS - Journal of Universal Computer Science 8(5): 546-556
doi: 10.3217/jucs-008-05-0546
Published: 28 May 2002
This article is part of:
JUCS - Journal of Universal Computer Science 8(5)
Authors
Elisabeth Milchrahm - Corresponding author
Institute for Information Science, Karl-Franzens-University Graz, Graz, Austria
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Arnulf Hasler
Institute for Innovation and Environmental Management, Karl-Franzens-University Graz, Graz, Austria
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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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