Integrating planning and dialogue in a lifestyle agent

Smith, Cameron, Cavazza, Marc, Charlton, Daniel, Zhang, Li, Turunen, Markku and Hakulinen, Jaakko (2008) Integrating planning and dialogue in a lifestyle agent. In: Intelligent Virtual Agents. Lecture Notes in Computer Science, 5208 . Springer, pp. 146-153. ISBN 978-3-540-85482-1

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Official URL: http://dx.doi.org/10.1007/978-3-540-85483-8_15

Abstract

In this paper, we describe an Embodied Conversational Agent advising users to promote a healthier lifestyle. This embodied agent provides advice on everyday user activities, in order to promote a healthy lifestyle. It operates by generating user activity models (similar to decompositional task models), using a Hierarchical Task Network (HTN) planner. These activity models are refined through various cycles of planning and dialogue, during which the agent suggests possible activities to the user, and the user expresses her preferences in return. A first prototype has been fully implemented (as a spoken dialogue system) and tested with 20 subjects. Early results show a high level of task completion despite the word error rate, and further potential for improvement.

Item Type: Book Section
Uncontrolled Keywords: Multimodal interaction with intelligent virtual agents - embodied cognitive modelling, conversational and non-verbal behavior
Subjects: G700 Artificial Intelligence
Department: Faculties > Engineering and Environment > Computer Science and Digital Technologies
Depositing User: Sarah Howells
Date Deposited: 30 Oct 2012 09:53
Last Modified: 23 Mar 2017 12:43
URI: http://nrl.northumbria.ac.uk/id/eprint/10107

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