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Estimating Spoken Dialog System Quality with User Models

2012-08-04 Technology & Engineering
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Release : 2012-08-04
Genre : Technology & Engineering
Kind : eBook
Book Rating : 917/5 ( reviews)

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Book Synopsis Estimating Spoken Dialog System Quality with User Models by : Klaus-Peter Engelbrecht

Download or read book Estimating Spoken Dialog System Quality with User Models written by Klaus-Peter Engelbrecht. This book was released on 2012-08-04. Available in PDF, EPUB and Kindle. Book excerpt: 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.

User Models in Dialog Systems

2012-12-06 Computers
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Release : 2012-12-06
Genre : Computers
Kind : eBook
Book Rating : 30X/5 ( reviews)

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Book Synopsis User Models in Dialog Systems by : Alfred Kobsa

Download or read book User Models in Dialog Systems written by Alfred Kobsa. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: User models have recently attracted much research interest in the field of artificial intelligence dialog systems. It has become evident that flexible user-oriented dialog behavior of such systems can be achieved only if the system has access to a model of the user containing assumptions about his/her background knowledge as well as his/her goals and plans in consulting the system. Research in the field of user models investigates how such assumptions can be automatically created, represented and exploited by the system in the course of an "on-line" interaction with the user. The communication medium in this interaction need not necessarily be a natural language, such as English or German. Formal interaction languages are also permit ted. The emphasis is placed on systems with natural language input and output, however. A dozen major and several more minor user modeling systems have been de signed and implemented in the last decade, mostly in the context of natural-language dialog systems. The goal of UM86, the first international workshop on user model ing, was to bring together the researchers working on these projects so that results could be discussed and analyzed, and hopefully general insights be found, that could prove useful for future research. The meeting took place in Maria Laach, a small village some 40 miles south of Bonn, West Germany. 25 prominent researchers were invited to participate.

User Modeling in Dialog Systems

1990
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Release : 1990
Genre :
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis User Modeling in Dialog Systems by : Alfred Kobsa

Download or read book User Modeling in Dialog Systems written by Alfred Kobsa. This book was released on 1990. Available in PDF, EPUB and Kindle. Book excerpt:

Reinforcement Learning for Adaptive Dialogue Systems

2014-01-28 Computers
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Release : 2014-01-28
Genre : Computers
Kind : eBook
Book Rating : 841/5 ( reviews)

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Book Synopsis Reinforcement Learning for Adaptive Dialogue Systems by : Verena Rieser

Download or read book Reinforcement Learning for Adaptive Dialogue Systems written by Verena Rieser. This book was released on 2014-01-28. Available in PDF, EPUB and Kindle. Book excerpt: The past decade has seen a revolution in the field of spoken dialogue systems. As in other areas of Computer Science and Artificial Intelligence, data-driven methods are now being used to drive new methodologies for system development and evaluation. This book is a unique contribution to that ongoing change. A new methodology for developing spoken dialogue systems is described in detail. The journey starts and ends with human behaviour in interaction, and explores methods for learning from the data, for building simulation environments for training and testing systems, and for evaluating the results. The detailed material covers: Spoken and Multimodal dialogue systems, Wizard-of-Oz data collection, User Simulation methods, Reinforcement Learning, and Evaluation methodologies. The book is a research guide for students and researchers with a background in Computer Science, AI, or Machine Learning. It navigates through a detailed case study in data-driven methods for development and evaluation of spoken dialogue systems. Common challenges associated with this approach are discussed and example solutions are provided. This work provides insights, lessons, and inspiration for future research and development – not only for spoken dialogue systems in particular, but for data-driven approaches to human-machine interaction in general.

Spoken Dialogue Systems

2009-11-08 Computers
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Release : 2009-11-08
Genre : Computers
Kind : eBook
Book Rating : 000/5 ( reviews)

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Book Synopsis Spoken Dialogue Systems by : Kristina Jokinen

Download or read book Spoken Dialogue Systems written by Kristina Jokinen. This book was released on 2009-11-08. Available in PDF, EPUB and Kindle. Book excerpt: Considerable progress has been made in recent years in the development of dialogue systems that support robust and efficient human-machine interaction using spoken language. Spoken dialogue technology allows various interactive applications to be built and used for practical purposes, and research focuses on issues that aim to increase the system's communicative competence by including aspects of error correction, cooperation, multimodality, and adaptation in context. This book gives a comprehensive view of state-of-the-art techniques that are used to build spoken dialogue systems. It provides an overview of the basic issues such as system architectures, various dialogue management methods, system evaluation, and also surveys advanced topics concerning extensions of the basic model to more conversational setups. The goal of the book is to provide an introduction to the methods, problems, and solutions that are used in dialogue system development and evaluation. It presents dialogue modelling and system development issues relevant in both academic and industrial environments and also discusses requirements and challenges for advanced interaction management and future research. Table of Contents: Preface / Introduction to Spoken Dialogue Systems / Dialogue Management / Error Handling / Case Studies: Advanced Approaches to Dialogue Management / Advanced Issues / Methodologies and Practices of Evaluation / Future Directions / References / Author Biographies

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