Third generation computer tutors
A multi-view intelligent editor for digital video libraries
CHI ’99 extended abstracts on Human factors in computing systems - CHI ’99
Proceedings of the first ACM/IEEE-CS joint conference on Digital libraries - JCDL ’01
Kurt VanLehn
Laura Dabbish
Brad A. Myers
Ken Koedinger
Art Graesser
John Anderson
Designing affordances for the navigation of detail-on-demand hypervideo