A.1 World Wide Web

The following web sites are the primary sources for the UML standard:

http://www.omg.org and http://www.omg.org/uml

The Object Management Group (OMG)

http://www.rational.com and http://www.rational.com/uml

Rational Software Corporation

The following web sites offer other worthwhile information regarding the OCL, the next major revision of the UML, and a virtual community:

http://www.klasse.nl/ocl/index.html

The Object Constraint Language (OCL).

http://www.u2-partners.org

The U2 Partners are focusing on the next major revision of the UML.

http://www.uml-forum.com

The UML Forum is a virtual community concerning the UML.

The following web sites offer other worthwhile information regarding improving the UML:

http://www.2uworks.org

The 2U Consortium.

http://www.cs.york.ac.uk/puml

The Precise UML (pUML) Group.

The following web sites offer other worthwhile information and links:

http://home.earthlink.net/~salhir

Sinan Si Alhir's personal web site.

http://www.cetus-links.org

The Cetus Team offers significant information regarding UML tools, methodologies, processes, and much more.