TAILIEUCHUNG - Báo cáo khoa học: "A TRIPARTITE PLAN-BASED MODEL OF DIALOGUE "

This paper presents a tripartite model of dialogue in which three different kinds of actions are modeled: domain actions, problem-solving actions, and discourse or communicative actions. We contend that our process model provides a more finely differentiated representation of user intentions than previous models; enables the incremental recognition of communicative actions that cannot be recognized from a single utterance alone; and accounts for implicit acceptance of a communicated proposition. . | A TRIPARTITE PLAN-BASED MODEL OF DIALOGUE Lynn Lambert Sandra Carberry Department of Computer and Information Sciences University of Delaware Newark Delaware 19716 USA Abstract1 This paper presents a tripartite model of dialogue in which three different kinds of actions are modeled domain actions problem-solving actions and discourse or communicative actions. We contend that our process model provides a more finely differentiated representation of user intentions than previous models enables the incremental recognition of communicative actions that cannot be recognized from a single utterance alone and accounts for implicit acceptance of a communicated proposition. 1 Introduction This paper presents a tripartite model of dialogue in which intentions are modeled on three levels the domain level with domain goals such as traveling by train the problem-solving level with plan-construction goals such as instantiating a parameter in a plan and the discourse level with communicative goals such as expressing surprise . Our process model has three major advantages over previous approaches 1 it provides a better representation of user intentions than previous models and allows the nuances of different kinds of goals and processing to be captured at each level 2 it enables the incremental recognition of communicative goals that cannot be recognized from a single utterance alone and 3 it differentiates between illocutionary effects and desired perlocutionary effects and thus can account for the failure of an inform act to change a hearer s beliefs Per90 2. 2 Limitations of Current Models of Discourse A number of researchers have contended that a coherent discourse consists of segments that are related to one another through some type of structuring relation Gri75 MT83J or have used rhetorical relations to generate coherent text Hov88 MP90 . In addition some researchers 1 This material is based upon work supported by the National Science Foundation under Grant No. IRI-8909332.

• Báo cáo khoa học
• A TRIPARTITE PLAN BASED MODEL OF DIALOGUE
• Lynn Lambert
• Long Papers
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