Submitted on: 22 April 2014.
Revised on: 16 June 2014.
Accepted on: 02 August 2014.
___________________Journal of Grid Computing---SPRINGER
http://reply.papertrans.cn/2/171/17093/17093-22.png
http://reply.papertrans.cn/2/171/17093/17093-23.png
http://reply.papertrans.cn/2/171/17093/17093-24.png
Submitted on: 01 February 2010.
Revised on: 13 March 2010.
Accepted on: 06 April 2010.
___________________Journal of Grid Computing---SPRINGER
http://reply.papertrans.cn/2/171/17093/17093-26.png
http://reply.papertrans.cn/2/171/17093/17093-27.png
Submitted on: 25 July 1998.
Revised on: 17 September 1998.
Accepted on: 24 October 1998.
___________________Journal of Grid Computing---SPRINGER
http://reply.papertrans.cn/2/171/17093/17093-29.png
http://reply.papertrans.cn/2/171/17093/17093-30.png