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Book Estimating Spoken Dialog System Quality with User Models (T-Labs Series in Telecommunication Services)

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Estimating Spoken Dialog System Quality with User Models (T-Labs Series in Telecommunication Services)

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    Available in PDF - DJVU Format | Estimating Spoken Dialog System Quality with User Models (T-Labs Series in Telecommunication Services).pdf | Language: ENGLISH
    Klaus-Peter Engelbrecht(Author)

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Spoken dialog systems have the potential to offer highly intuitive user interfaces, as they allow systems to be controlled using natural language. However, the complexity inherent in natural language dialogsmeans that careful testing of the system must be carried out from the very beginning of the design process.   This book examines how user models can be used to support such early evaluations in two ways:  by runningsimulations of dialogs, and by estimating the quality judgments of users. First, a design environment supporting the creation of dialog flows, the simulation of dialogs, and the analysis of the simulated data is proposed.  Howthe quality of user simulations may be quantified with respect to their suitability for both formative and summative evaluation is then discussed. The remainder of the book is dedicated to the problem of predicting qualityjudgments of users based on interaction data. New modeling approaches are presented, which process the dialogs as sequences, and which allow knowledge about the judgment behavior of users to be incorporated into predictions.All proposed methods are validated with example evaluation studies.

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