Generating and revising hierarchical multi-turn text plans in an ITS
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TL;DR
TIPS, a new text planning engine for CIRCSIM-Tutor based on current research in text generation, is described using an analysis of human-to-human tutoring transcripts to shape the requirements.
Abstract
Abstract. CIRCSIM-Tutor v.3 is a natural-language based ITS for cardiac physiology. In this paper, we describe TIPS, a new text planning engine for CIRCSIM-Tutor based on current research in text generation.Since conversations cannot be completely planned in advance, TIPS plans and executes iteratively.It maintains a goal hierarchy for the tutor while carrying on a conversation with the student.It can handle multi-turn plans on the part of the tutor, and it can back up and replan when the student gives an unexpected answer.In this paper we sketch the design of TIPS using an analysis of human-to-human tutoring transcripts to shape the requirements. 1