MITRE system for clinical assertion status classification. - Cheryl Clark; John S. Aberdeen; Matthew Coarr; David Tresner-Kirsch; Ben Wellner; Alexander S. Yeh; Lynette Hirschman (J. Am. Medical Informatics Assoc., 2011)

Negation's Not Solved: Reconsidering Negation Annotation and Evaluation. - Stephen T. Wu; Timothy A. Miller; James J. Masanz; Matthew Coarr; David Carrell; Scott R. Halgrim; David Harris 004; Cheryl Clark (AMIA, 2013)