António Porto. An Integrated Information System Powered by Prolog. In Verónica Dahl, Philip Wadler, editors, Practical Aspects of Declarative Languages, 5th International Symposium, PADL 2003, New Orleans, LA, USA, January 13-14, 2003, Proceedings. Volume 2562 of Lecture Notes in Computer Science, pages 92-109, Springer, 2003. [doi]