Abstract
Dialog strategies have long since been handcrafted by dialog experts. Only within the last decade, research has moved to data-driven methods leading to statistical models. But still, most dialog systems make use solely of the spoken words and their semantics, although speech signals reveal much more about the speaker, e.g. its age, gender, emotional state, etc. Using this speaker state information - along with the semantics - can be a promising way of moving dialog systems towards better performance whilst making them more natural at the same time. Partially Observable Markov Decision Processes (POMDPs), a state-of-the-art statistical modeling method, offer an easy and unified way of integrating speaker state information into dialog systems. In this contribution we present our ongoing research on combining a POMDP-based dialog manager with speaker state information.
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Ultes, S., Heinroth, T., Schmitt, A., Minker, W. (2011). A Theoretical Framework for a User-Centered Spoken Dialog Manager. In: Delgado, RC., Kobayashi, T. (eds) Proceedings of the Paralinguistic Information and its Integration in Spoken Dialogue Systems Workshop. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1335-6_24
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DOI: https://doi.org/10.1007/978-1-4614-1335-6_24
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