中文摘要：

Safaa O. Al-Mamory：To whom correspondence should be addressed. E-mail： Safaa_vb@yahoo.com； Safaa O. Al-Mamory, born in 1979. He received his B.S. and M.S. degrees in Computer Science and In- formation System Department of University of Technology from Iraq in 2000, 2002 respectively. He is now a Ph. D candidate in the School of Computer Science at Harbin Institute of Technology. His research interests include net- work security and intrusion detection system, and data mining.