Taking Control of Redundancy in Scripted Tutorial Dialogue

Authors:
Pamela W. Jordan;Patricia Albacete;Kurt VanLehn
Affiliations:
Learning Research and Development Center, University of Pittsburgh;Learning Research and Development Center, University of Pittsburgh;Learning Research and Development Center, University of Pittsburgh
Venue:
Proceedings of the 2005 conference on Artificial Intelligence in Education: Supporting Learning through Intelligent and Socially Informed Technology
Year:
2005

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Abstract

We describe extensions to a finite-state dialogue manager and its author scripting language that enable control over content repetition during tutorial dialogue. The problem of controlling redundancy requires the specification of complex conditions on the discourse history that are beyond the capabilities of the intended users of the scripting language. We show that the problem can be addressed by adding semantic labelling and the marking of optional steps and difficulty levels to the scripting language and heuristic algorithms to the dialogue manager.