Using Bayesian Networks as a Scripting Language. - Walton Sumner; Michael D. Hagen (AMIA, 1999)

Modeling Relief. - Walton Sumner; Jinzhong Xu; Guy Roussel; Michael D. Hagen (AMIA, 2007)

Adding flexible temporal constraints to identify chronic comorbid conditions in ambulatory claims data. - Walton Sumner; Dustin L. Stwalley; Phillip V. Asaro; Michael D. Hagen; Margaret A. Olsen (AMIA, 2014)