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IEEE Communications Surveys & Tutorials > 2013 > 15 > 3 > 1389 - 1406
IEEE Internet Computing > 2010 > 14 > 6 > 96
IEEE Internet Computing > 2010 > 14 > 4 > 66 - 70
IEEE Security & Privacy > 2008 > 6 > 3 > 83 - 86
The Journal of Technology Transfer > 2006 > 31 > 5 > 519-544