Disease progression subtype discovery from longitudinal EMR data with a majority of missing values and unknown initial time points. - Ilkka Huopaniemi; Girish N. Nadkarni; Rajiv Nadukuru; Vaneet Lotay; Stephen B. Ellis; Omri Gottesman; Erwin P. Bottinger (AMIA, 2014)

Development and validation of an electronic phenotyping algorithm for chronic kidney disease. - Girish N. Nadkarni; Omri Gottesman; James G. Linneman; Herbert S. Chase; Richard L. Berg; Samira Farouk; Vaneet Lotay; Stephen B. Ellis; George Hripcsak; Peggy L. Peissig; Chunhua Weng; Rajiv Nadukuru; et al. (AMIA, 2014)

Incorporating temporal EHR data in predictive models for risk stratification of renal function deterioration. - Anima Singh; Girish N. Nadkarni; Omri Gottesman; Stephen B. Ellis; Erwin P. Bottinger; John V. Guttag (J. Biomed. Informatics, 2015)

PheKB: a catalog and workflow for creating electronic phenotype algorithms for transportability. - Jacqueline Kirby; Peter Speltz; Luke V. Rasmussen; Melissa A. Basford; Omri Gottesman; Peggy L. Peissig; Jennifer A. Pacheco; Gerard Tromp; Jyotishman Pathak; David S. Carrell; Stephen B. Ellis; Todd Lingren; et al. (J. Am. Medical Informatics Assoc., 2016)