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JUCS - Journal of Universal Computer Science 16(13): 1720-1744
doi:
10.3217/jucs-016-13-1720
Published:
01 Jul 2010
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Authors
Lei Li
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Macquarie University, Sydney, Australia
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Macquarie University, Sydney, Australia
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Singapore Management University, Singapore, Singapore
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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.