Gopal Gupta Enrico Pontelli Specification, Implementation, and Verification of Domain Specific Languages: A Logic Programming-Based Approach. 211-239 2002 conf/birthday/2002kowalski1 Computational Logic: Logic Programming and Beyond http://link.springer.de/link/service/series/0558/bibs/2407/24070211.htm db/conf/birthday/kowalski2002-1.html#GuptaP02