TreePlus: Interactive Exploration of Networks with Enhanced Tree Layouts. - Bongshin Lee; Cynthia Sims Parr; Catherine Plaisant; Benjamin B. Bederson; Vladislav Daniel Veksler; Wayne D. Gray; Christopher Kotfila (IEEE Trans. Vis. Comput. Graph., 2006)

Challenges in Synthesizing Surrogate PHI in Narrative EMRs. - Amber Stubbs; Özlem Uzuner; Christopher Kotfila; Ira Goldstein; Peter Szolovits (Medical Data Privacy Handbook, 2015)

Introducing textual analysis tools for policy informatics: a case study of e-petitions. - Loni Hagen; Teresa M. Harrison; Özlem Uzuner; Tim Fake; Dan Lamanna; Christopher Kotfila (DG.O, 2015)

Understanding Citizens' Direct Policy Suggestions to the Federal Government: A Natural Language Processing and Topic Modeling Approach. - Loni Hagen; Özlem Uzuner; Christopher Kotfila; Teresa M. Harrison; Dan Lamanna (HICSS, 2015)

A systematic comparison of feature space effects on disease classifier performance for phenotype identification of five diseases. - Christopher Kotfila; Özlem Uzuner (J. Biomed. Informatics, 2015)

Automated systems for the de-identification of longitudinal clinical narratives: Overview of 2014 i2b2/UTHealth shared task Track 1. - Amber Stubbs; Christopher Kotfila; Özlem Uzuner (J. Biomed. Informatics, 2015)

Identifying risk factors for heart disease over time: Overview of 2014 i2b2/UTHealth shared task Track 2. - Amber Stubbs; Christopher Kotfila; Hua Xu 001; Özlem Uzuner (J. Biomed. Informatics, 2015)

Examining political mobilization of online communities through e-petitioning behavior in We the People. - Catherine L. Dumas; Dan Lamanna; Teresa M. Harrison; S. S. Ravi; Christopher Kotfila; Norman Gervais; Loni Hagen; Feng Chen (Big Data Soc., 2015)