Submitted on: 24 October 2007.
Revised on: 07 December 2007.
Accepted on: 26 December 2007.
Proceedings of the ACM on Measurement and Analysis of Computing Systems
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http://reply.papertrans.cn/3/253/25268/25268-33.png
Submitted on: 05 October 2007.
Revised on: 15 October 2007.
Accepted on: 23 October 2007.
Proceedings of the ACM on Measurement and Analysis of Computing Systems
Submitted on: 10 April 2003.
Revised on: 29 April 2003.
Accepted on: 19 May 2003.
NULL
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