UML

UML基础：http://www-900.ibm.com/developerWorks/cn/rational/r-uml/
世界经理人UML专区：http://it.icxo.com/top_view.html?smallclassid=9855
http://www.uml.org.cn/


rational
http://www-900.ibm.com/developerWorks/cn/rational/index.shtml