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Optimization of Dialog Strategies using Automatic Dialog Simulation and Statistical Dialog Management Techniques

In this paper, we present a technique for learning optimal dialog management strategies. An automatic dialog generation technique, including a simulation of the communication channel, has been developed to acquire the required data, train dialog models, and explore new dialog strategies in order to learn the optimal one. A set of quantitative and qualitative measures has been defined to evaluat...

Automatic detection of task-incompleted dialog for spoken dialog system based on dialog act n-gram

In this paper, we propose a method of detecting taskincompleted users for a spoken dialog system using an N-grambased dialog history model. We collected a large amount of spoken dialog data accompanied by usability evaluation scores by users in real environments. The database was made by a field test in which naive users used a client-server music retrieval system with a spoken dialog interface...

Dialog 1971

User Modelling, Dialog Structure, And Dialog Strategy In Ham-Ans

AI dialog systems are now developing from question-answering systems toward advising systems. This includes: discussed here, but see (Jameson, Wahlster 1982). The second part o f this paper presents user modelling with respect to a dialog strategy which selects and verbalizes the appropriate speech act of recommendation. structuring dialog understanding and generating a wider range o f speech a...