Abstract
Our research objective is to develop computer tutors that collaborate with students on tasks
in simulated environments. Towards this end, we seek to integrate two separate but related research
threads: intelligent tutoring systems (ITS) and collaborative dialogue systems (CDS).
Research on ITS 10 focuses on computer tutors that adapt to individual students based on
the target knowledge the student is expected to learn and the presumed state of the student’s
current knowledge. Research on CDS (e.g., 5), with an equally long history, focuses on
computational models of human dialogue for collaborative tasks.
Unfortunately, there has been a surprising lack of cross-fertilization between these two
research areas. Work on tutorial dialogue for ITS has not leveraged general models of collaborative
dialogue. Similarly, research on collaborative dialogues has focused on modeling
conversations between peers or between an expert and novice, but has rarely addressed tutorial
issues.
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