Tipper: Contextual Tooltips that Provide Seniors with Clear, Reliable Help for Web Tasks. - Yibo Dai; George Karalis; Saba Kawas; Chris Olsen (CHI Extended Abstracts, 2015)

Improving Real-Time Captioning Experiences for Deaf and Hard of Hearing Students. - Saba Kawas; George Karalis; Tzu Wen; Richard E. Ladner (ASSETS, 2016)