Submitted on: 24 June 2010.
Revised on: 31 August 2010.
Accepted on: 01 October 2010.
___________________Computer Science Review---ELSEVIER
Submitted on: 14 July 2003.
Revised on: 03 October 2003.
Accepted on: 23 October 2003.
___________________Computer Science Review---ELSEVIER
Submitted on: 04 June 2017.
Revised on: 28 August 2017.
Accepted on: 15 October 2017.
___________________Computer Science Review---ELSEVIER
http://reply.papertrans.cn/1/63/6256/6256-14.png
http://reply.papertrans.cn/1/63/6256/6256-15.png
Submitted on: 21 July 2021.
Revised on: 17 September 2021.
Accepted on: 13 October 2021.
___________________Computer Science Review---ELSEVIER
Submitted on: 30 July 2021.
Revised on: 22 September 2021.
Accepted on: 13 October 2021.
___________________Computer Science Review---ELSEVIER
http://reply.papertrans.cn/1/63/6256/6256-18.png
http://reply.papertrans.cn/1/63/6256/6256-19.png
Submitted on: 22 February 2021.
Revised on: 22 May 2021.
Accepted on: 22 June 2021.
___________________Computer Science Review---ELSEVIER