Submitted on: 09 June 1999.
Revised on: 16 September 1999.
Accepted on: 17 October 1999.
___________________IEEE TRANSACTIONS ON MOBILE COMPUTING
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Submitted on: 06 November 2006.
Revised on: 29 December 2006.
Accepted on: 11 February 2007.
___________________IEEE TRANSACTIONS ON MOBILE COMPUTING
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Submitted on: 12 June 2017.
Revised on: 08 July 2017.
Accepted on: 22 July 2017.
___________________IEEE TRANSACTIONS ON MOBILE COMPUTING
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Submitted on: 17 August 2015.
Revised on: 06 September 2015.
Accepted on: 02 October 2015.
___________________IEEE TRANSACTIONS ON MOBILE COMPUTING
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