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A user model for dialog system evaluation based on activation of subgoals
Citation key engelbrecht2014b
Author Engelbrecht, Klaus-Peter
Title of Book Natural Interaction with Robots, Knowbots and Smartphones. Putting Spoken Dialog Systems into Practice
Pages 363–374
Year 2014
ISBN 978-1-4614-8279-6
DOI 10.1007/978-1-4614-8280-2_33
Location New York
Editor Mariani, Joseph and Rosset, Sophie and Garnier-Rizet, Martine and Devillers, Laurence
Publisher Springer
Abstract User models have become increasingly popular to conduct simulationbased testing of spoken dialog systems. These models usually describe users' overt behavior, as opposed to the underlying reasons for the observed actions. While such models are useful to generate test data, a causal model might be more generally applicable to different systems, and in addition allow to derive useful information for data analysis and prediction of user judgments. Thus, a modeling approach trying to explain user behavior is proposed in this paper, which is based on D¨orner's PSI theory. The evaluation shows that the utterances generated by this model are similar to those of real users.
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