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Submitted on: 13 December 2005.
Revised on: 03 March 2006.
Accepted on: 24 April 2006.
___________________IEEE Internet of Things Journal
Submitted on: 17 February 1998.
Revised on: 19 May 1998.
Accepted on: 16 July 1998.
___________________IEEE Internet of Things Journal
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Submitted on: 05 November 2014.
Revised on: 20 January 2015.
Accepted on: 21 February 2015.
___________________IEEE Internet of Things Journal
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Submitted on: 11 February 2013.
Revised on: 05 May 2013.
Accepted on: 14 June 2013.
___________________IEEE Internet of Things Journal
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