Drummond, Joanna and Litman, Diane J.
(2011)
Examining the Impacts of Dialogue Content and System Automation on Affect Models in a Spoken Tutorial Dialogue System.
In: 12th Annual SIGdial Meeting on Discourse and Dialogue, 17 June 2011 - 18 June 2011, Portland, Oregon.
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Abstract
Many dialogue system developers use data gathered from previous versions of the dialogue system to build models which enable the system to detect and respond to users ’ affect. Previous work in the dialogue systems community for domain adaptation has shown that large differences between versions of dialogue systems affect performance of ported models. Thus, we wish to investigate how more minor differences, like small dialogue content changes and switching from a wizarded system to a fully automated system, influence the performance of our affect detection models. We perform a post-hoc experiment where we use various data sets to train multiple models, and compare against a test set from the most recent version of our dialogue system. Analyzing these results strongly suggests that these differences do impact these models ’ performance.
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