A Virtual Reality Exposure Therapy Application for Iraq War Post Traumatic Stress Disorder. - Jarrell Pair; Brian Allen; Matthieu Dautricourt; Anton Treskunov; Matt Liewer; Ken Graap; Greg Reger (VR, 2006)

A Virtual Iraq System for the Treatment of Combat-Related Posttraumatic Stress Disorder. - Shih-Ching Yeh; Brad Newman; Matt Liewer; Jarrell Pair; Anton Treskunov; Greg Reger; Barbara O. Rothbaum; JoAnn Difede; Josh Spitalnick; Robert N. McLay; Thomas D. Parsons; Albert A. Rizzo (VR, 2009)

Virtual Museum Guides demonstration. - William R. Swartout; David R. Traum; Ron Artstein; Dan Noren; Paul E. Debevec; Kerry Bronnenkant; Josh Williams; Anton Leuski; Shrikanth S. Narayanan; Diane Piepol; H. Chad Lane; Jackie Morie; et al. (SLT, 2010)

Virtual Reality Exposure Therapy for Combat-Related Posttraumatic Stress Disorder. - Albert A. Rizzo; Arno Hartholt; Mario Grimani; Andrew Leeds; Matt Liewer (Computer, 2014)

Designing a Personal Assistant for Life-Long Learning (PAL3). - William R. Swartout; Benjamin D. Nye; Arno Hartholt; Adam Reilly; Arthur C. Graesser; Kurt VanLehn; Jon Wetzel; Matt Liewer; Fabrizio Morbini; Brent Morgan; Lijia Wang; Grace Benn; et al. (FLAIRS, 2016)

Ubiquitous Virtual Humans: A Multi-platform Framework for Embodied AI Agents in XR. - Arno Hartholt; Edward Fast; Adam Reilly; Wendy R. Whitcup; Matt Liewer; Sharon Mozgai (AIVR, 2019)

Virtual Humans in Augmented Reality: A First Step towards Real-World Embedded Virtual Roleplayers. - Arno Hartholt; Sharon Mozgai; Edward Fast; Matt Liewer; Adam Reilly; Wendy R. Whitcup; Albert Skip Rizzo (HAI, 2019)

PRIMER: An Emotionally Aware Virtual Agent. - Carla Gordon; Anton Leuski; Grace Benn; Eric Klassen; Edward Fast; Matt Liewer; Arno Hartholt; David R. Traum (IUI Workshops, 2019)

Multi-Platform Expansion of the Virtual Human Toolkit: Ubiquitous Conversational Agents. - Arno Hartholt; Ed Fast; Adam Reilly; Wendy R. Whitcup; Matt Liewer; Sharon Mozgai (Int. J. Semantic Comput., 2020)