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IEEE Systems Journal > 2017 > 11 > 2 > 983 - 994
IEEE Internet Computing > 2015 > 19 > 6 > 54 - 59
IEEE Communications Surveys & Tutorials > 2014 > 16 > 3 > 1709 - 1731
IEEE Systems Journal > 2017 > 11 > 2 > 983 - 994
IEEE Internet Computing > 2015 > 19 > 6 > 54 - 59
IEEE Communications Surveys & Tutorials > 2014 > 16 > 3 > 1709 - 1731