Title Estimating spoken dialog system quality with user models / Klaus-Peter Engelbrecht

Published Berlin ; New York : Springer, ©2013

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Description 1 online resource Series T-Labs series in telecommunication services, 2192-2810 T-labs series in telecommunication services. Contents Introduction -- MeMo: Usability Workbench -- Evaluation of the MeMo User Simulation--Use Case Inspire Smart Home System -- Detection of Usability Problems Using an Ad-Hoc User Simulation -- Prediction of User Judgments -- Application of Prediction Models in a Realistic Usage Scenario -- Conclusions and Future Work Summary 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 dialogs means 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 running simulations 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. How the 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 quality judgments 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 Analysis Engineering Computer science Acoustics in engineering Telecommunication Signal, Image and Speech Processing User Interfaces and Human Computer Interaction Communications Engineering, Networks Bibliography Includes bibliographical references Notes English Subject Speech processing systems -- Evaluation Multimodal user interfaces (Computer systems) -- Evaluation Natural language processing (Computer science) Natural Language Processing COMPUTERS -- Optical Data Processing. Ingénierie. Natural language processing (Computer science) Speech processing systems -- Evaluation Form Electronic book ISBN 9783642315916 3642315917 3642315909 9783642315909 9781283631426 1283631423 9783642431913 3642431917

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