%0 Conference Proceedings %F F03Case %A Feng, Thomas Huining %T Case study: Consistency problems in a UML model of a chat room %B International Conference on the Unified Modelling Language (UML 2003), Workshop on Consistency Problems in UML-based Software Development II %C San Francisco, USA %D 2003 %U http://www.eecs.berkeley.edu/~tfeng/papers/consistency2003.pdf