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IEEE Internet of Things Journal > 2017 > 4 > 2 > 308 - 319
IEEE Access > 2017 > 5 > 13387 - 13400
IEEE Transactions on Mobile Computing > 2016 > 15 > 11 > 2719 - 2734
IEEE Transactions on Mobile Computing > 2016 > 15 > 5 > 1249 - 1263