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Submitted on: 11 November 2015.
Revised on: 24 December 2015.
Accepted on: 28 January 2016.
___________________JOURNAL OF INFORMATION SCIENCE AND ENGINEERING
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Submitted on: 10 June 2011.
Revised on: 18 September 2011.
Accepted on: 15 October 2011.
___________________JOURNAL OF INFORMATION SCIENCE AND ENGINEERING
Submitted on: 03 July 2011.
Revised on: 05 October 2011.
Accepted on: 24 November 2011.
___________________JOURNAL OF INFORMATION SCIENCE AND ENGINEERING
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