was a student of Art Dempster and did his thesis on applying GraphicalBeliefFunctions?
to problems of estimating system reliability. The disertation was later published as Graphical Belief Modeling
. The software package
was part of the dissertation, and the later never released software
included several innovative ideas for user interface in model construction.
currently works at Educational Testing Service
. His current research has centered around using [Bayesian networks] for scoring tests and [intelligent tutoring systems]. Along with collegues Bob Mislevy
and Linda Steinberg he is responsible for the early development of [Evidence Centered Design].
was chair of the UAIApplicationWorkshop