Correcting computer-based assessments for guessing. - R. Harper (J. Comput. Assist. Learn., 2003)

Silent Data Corruption - Myth or reality? - Cristian Constantinescu; Ishwar Parulkar; R. Harper; Sarah Michalak (DSN, 2008)

From tele presence to human absence: the pragmatic construction of the human in communications systems research. - R. Harper (BCS HCI, 2009)