5Bass T,Gruber D.A glimpse into the future of id[EB/OL].(1999).http://www.usenix.org/publications/login/199929/features/future.html.
6Carnegie Mellon's SEI.System for Internet Level Knowledge(SIL K)[EB/OL](2005).http://silktools.source forge.net.
7Office of The Secretary of Defense(OSD) deputy director of Defense Research & Engineering Deputy Under Secretary of Defense (Science & Technology).Small Business Innovation Research(SBIR) FY 2005.3 Program Description,USA.
8LIU Huan,Setiono R.A probabilistic approach to feature selection[C]//Proceedings of Internatinoal Conference on Machine Learning.Morgan Kaufmann Publishers,1996:319-327.
9Liu Huan,Setiono R.Scalable feature selection for large size database[C]//Proceedings of the Fourth World Congress on Expert Systems.Morgan Kaufmann Publishers,1998.