Asking the Right Questions: Task Hierarchy Predictive Traversal Mechanisms for Mixed Initiative Dialog Management

Juan M. Huerta

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Paper

Asking the Right Questions: Task Hierarchy Predictive Traversal Mechanisms for Mixed Initiative Dialog Management

In Proceedings of the 1st International Workshop on Natural Language Understanding and Cognitive Science - Volume 0ICEIS, 106-115, 2004 , Porto, Portugal

Author: Juan M. Huerta

Affiliation: IBM T J Watson Research Center, United States

Abstract: This paper describes an approach for building conversational applications that dynamically adjust to the user’s level of expertise based on the user’s responses. In our method, the Dialog Manager interacts with the application user through a mechanism that adjusts the prompts presented to the user based on a hierarchical model of the domain, the recent interaction history, and the known complexity of the domain itself. The goal is to present a conversational modality for experienced or confident users, and a simpler Directed Dialog experience for the more inexperienced users, and to dynamically identify these levels of expertise from the user’s utterances. Our method uses a task hierarchy as a representation of the domain and follows a feedback control system framework to traverse of this tree. We illustrate these mechanisms with a simple sample domain based on a car rental application.

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Paper citation in several formats:

M. Huerta, J. (2004). Asking the Right Questions: Task Hierarchy Predictive Traversal Mechanisms for Mixed Initiative Dialog Management. In Proceedings of the 1st International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2004) - NLUCS; ISBN 972-8865-05-8, SciTePress, pages 106-115. DOI: 10.5220/0002681301060115

@conference{nlucs04,
author={Juan {M. Huerta}.},
title={Asking the Right Questions: Task Hierarchy Predictive Traversal Mechanisms for Mixed Initiative Dialog Management},
booktitle={Proceedings of the 1st International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2004) - NLUCS},
year={2004},
pages={106-115},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002681301060115},
isbn={972-8865-05-8},
}

TY - CONF

JO - Proceedings of the 1st International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2004) - NLUCS
TI - Asking the Right Questions: Task Hierarchy Predictive Traversal Mechanisms for Mixed Initiative Dialog Management
SN - 972-8865-05-8
AU - M. Huerta, J.
PY - 2004
SP - 106
EP - 115
DO - 10.5220/0002681301060115
PB - SciTePress