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This paper was reprinted from the 21st International Conference on Advanced Information Networking and Applications Workshops (AINAW'07), Niagara Falls, Canada, 2007 p.52-58, and may be found at http://dx.doi.org/10.1109/AINAW.2007.350
Copyright (2007) IEEE
21st International Conference on Advanced Information Networking and Applications Workshops (AINAW'07), 2: 52-58