Submitted on: 29 January 2003.
Revised on: 01 March 2003.
Accepted on: 25 March 2003.
KNOWLEDGE AND INFORMATION SYSTEMS
Submitted on: 07 September 2007.
Revised on: 02 October 2007.
Accepted on: 11 October 2007.
KNOWLEDGE AND INFORMATION SYSTEMS
Submitted on: 03 September 2004.
Revised on: 08 October 2004.
Accepted on: 23 October 2004.
KNOWLEDGE AND INFORMATION SYSTEMS
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http://reply.papertrans.cn/3/204/20355/20355-25.png
Submitted on: 08 June 2009.
Revised on: 24 June 2009.
Accepted on: 20 July 2009.
KNOWLEDGE AND INFORMATION SYSTEMS
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Submitted on: 10 May 2018.
Revised on: 31 May 2018.
Accepted on: 13 June 2018.
KNOWLEDGE AND INFORMATION SYSTEMS
Submitted on: 29 September 2018.
Revised on: 07 October 2018.
Accepted on: 15 October 2018.
KNOWLEDGE AND INFORMATION SYSTEMS
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