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| Title: | Interactive question answering and constraint relaxation in spoken dialogue systems |
| Author: | S. Varges |
| Institution: | Università degli Studi di Trento |
| Author: | F. Weng |
| Institution: | Bosch Research and Technology Center |
| Author: | H. Pon-Barry |
| Institution: | Harvard University |
| Linguistic Field: | General Linguistics |
| Abstract: | We explore the relationship between question answering and constraint relaxation in spoken dialogue systems and develop dialogue strategies for selecting and presenting information succinctly. In particular, we describe methods for dealing with the results of database queries in information-seeking dialogues. Our goal is to structure the dialogue in such a way that the user is neither overwhelmed with information nor left uncertain as to how to refine the query further. We present two sets of evaluation results for a restaurant selection task: one is a system performance evaluation experiment involving twenty subjects, the other is an experimental evaluation of the use of suggestions involving sixteen subjects. |
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This article appears in Natural Language Engineering Vol. 15, Issue 1, which you can read on Cambridge's site or on LINGUIST . |
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