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Publication Details

A Mixed-initiative Framework for Robust Plan Sketching

by Myers, K. L. and Jarvis, P. A. and Tyson, W. M. and Wolverton, M. J.

in Thirteenth International Conference on Automated Planning and Scheduling (ICAPS-03)

2003.

Abstract

Sketching provides a natural and compact means for a user to outline a plan for a high-level objective. Previous work on plan sketching required that sketches be valid, meaning that there be at least one legal completion of the sketch relative to predefined planning knowledge. This paper addresses the problem of plan sketch interpretation when the validity assumption does not hold. We present a formal framework for robust plan sketching that defines key concepts and algorithms for interpreting and repairing plan sketches with respect to two classes of problem: violated applicability conditions and extraneous actions. We also describe a mixed-initiative implementation of this framework that supports a user and the system working collaboratively to refine a plan sketch to a satisfactory solution.

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Associated Projects

PASSAT

Plan Authoring System based on Sketches, Advice, and Templates (PASSAT)

PASSAT is a user-centric plan-authoring system grounded in the concepts of plan sketches, advice, and templates. PASSAT enables users to quickly develop plans that draw upon past experience encoded in templates, but that are customized to their individual preferences of a given user. The PASSAT core consists of an interactive plan authoring capability; tools for task management, constraint reasoning, plan sketching and causal reasoning provide provide complementary automated capabilities.

AIC Personnel

Name Title E-mail
Jarvis, Peter A Alumnus
Myers, Karen Program Director & Principal Scientist
Tyson, Mabry Senior Computer Scientist
Wolverton, Michael J Senior Computer Scientist

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