An Empirical Evaluation of User Interfaces for Topic Management of Web Sites. - Brian Amento; William C. Hill; Loren G. Terveen; Deborah Hix; Peter Ju (CHI, 1999)

State-based Classification of Finger Gestures from Electromyographic Signals. - Peter Ju; Leslie Pack Kaelbling; Yoram Singer (ICML, 2000)