Uri Shani Aviad Sela OO design methodology of a DSL using EMF: (demonstration for the telco revenue assurance domain). 698-699 2006 conf/oopsla/2006c OOPSLA Companion http://doi.acm.org/10.1145/1176617.1176680 db/conf/oopsla/oopsla2006c.html#ShaniS06