Modeling user satisfaction with Hidden Markov Model

  • Authors:
  • Klaus-Peter Engelbrech;Florian Gödde;Felix Hartard;Hamed Ketabdar;Sebastian Möller

  • Affiliations:
  • TU Berlin, Berlin, Germany;TU Berlin, Berlin, Germany;TU Berlin, Berlin, Germany;TU Berlin, Berlin, Germany;TU Berlin, Berlin, Germany

  • Venue:
  • SIGDIAL '09 Proceedings of the SIGDIAL 2009 Conference: The 10th Annual Meeting of the Special Interest Group on Discourse and Dialogue
  • Year:
  • 2009

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Abstract

Models for predicting judgments about the quality of Spoken Dialog Systems have been used as overall evaluation metric or as optimization functions in adaptive systems. We describe a new approach to such models, using Hidden Markov Models (HMMs). The user's opinion is regarded as a continuous process evolving over time. We present the data collection method and results achieved with the HMM model.