Examination of Routine Practice Patterns in the Hospital Information Data Warehouse: Use of OLAP and Rough Set Analysis with Clinician Feedback. - Andrew Grant; Gwyneth Grant; Jean Gagné; Carl Blanchette; Émilie Comeau; Guillaume Brodeur; Jonathon Dionne; Alphonse Ayite; Piotr Synak; Jakub Wroblewski; Cas Apanowicz (AMIA, 2001)