Paper: A Three-Level Model For Plan Exploration

ACL ID P91-1006
Title A Three-Level Model For Plan Exploration
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1991

In modeling the structure of task-related discourse using plans, it is important to distinguish between plans that the agent has adopted and is pursuing and those that are only being considered and ex- plored, since the kinds of utterances arising from a particular domain plan and the patterns of ref- erence to domain plans and movement within the plan tree are quite different in the two cases. This paper presents a three-level discourse model that uses separate domain and exploration layers, in addition to a layer of discourse metaplans, allow- ing these distinct behavior patterns and the plan adoption and reconsideration moves they imply to be recognized and modeled. DISCOURSE MODEL LEVELS In task-related discourse, much of the discourse structure derives directly from the task structure...