Eric N. Hanson Sreenath Bodagala Ullas Chadaga Trigger Condition Testing and View Maintenance Using Optimized Discrimination Networks. 261-280 2002 14 IEEE Trans. Knowl. Data Eng. 2 http://www.computer.org:80/tkde/tk2002/k0261abs.htm db/journals/tkde/tkde14.html#HansonBC02