4[美]Simon Ga11agher Simon Herbert.PowerBui1er 6.0程序设计大全[M].北京:机械工业出版社,1998..
5[美]Wendy Boggs Michae1 Boggs.UML with Rationa1 Rose从人门到精通[M].北京:电子工业出版社,2000..
6J. Han, Y. Huang, N. Cercone, and Y. Fu, ''Intelligent query answering by knowledge discovery techniques'', IEEE Trans. Knowledge and Data Engineering, 1996.
7F. Cuppens and R. Demolombe,''Cooperative answering: A methodology to provide intelligent access to databases''. Expert Database systems,pp.621 -643, FairFaX VA Apr. 1988.
8Motro and Q. Yuan,''Querying database kowledge''. ,In Proc. ,1990 ACMSIGMOD Int. Conf Management of Data, pp. 173 - 183 Atlantic City, NJ,June 1990.
9CunsSchreiber著 史忠植译.''Knowledge Engineering and Management''[M].机械工业出版社,2003,4..