Context-awareness in wearable and ubiquitous computing. - Gregory D. Abowd; Anind K. Dey; Robert J. Orr; Jason A. Brotherton (Virtual Real., 1998)

The Aware Home: A Living Laboratory for Ubiquitous Computing Research. - Cory D. Kidd; Robert J. Orr; Gregory D. Abowd; Christopher G. Atkeson; Irfan A. Essa; Blair MacIntyre; Elizabeth D. Mynatt; Thad Starner; Wendy Newstetter (CoBuild, 1999)

The smart floor: a mechanism for natural user identification and tracking. - Robert J. Orr; Gregory D. Abowd (CHI Extended Abstracts, 2000)