Robotic navigation in crowded environments: key challenges for autonomous navigation systems. - James Ballantyne; Salman Valibeik; Ara Darzi; Guang-Zhong Yang (PerMIS, 2008)

Structure learning for activity recognition in robot assisted intelligent environments. - Douglas G. McIlwraith; Julien Pansiot; James Ballantyne; Salman Valibeik; Ahmed Elsaify; Guang-Zhong Yang (IROS, 2009)

Establishing affective human robot interaction through contextual information. - Salman Valibeik; James Ballantyne; Benny Ping Lai Lo; Ara Darzi; Guang-Zhong Yang (RO-MAN, 2009)

Autonomous navigation for guide following in crowded indoor environments. - James Ballantyne (2010)