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Authors: Johan Boye, Mats Wirén, Manny Rayner, Ian Lewin, David Carter, and Ralph Becket
Article title: Language-Processing Strategies and Mixed-Initiative Dialogues
Publ. type: Article
Volume: 4
Article No: 24
Language: English
Abstract [en]: We describe an implemented spoken-language dialogue system for a travel-planning domain, which accesses a commercially available travel-information web-server and supports a flexible mixed-initiative dialogue strategy. We argue, based on data from initial Wizard-of-Oz experiments, that mixed-initiative strategies are appropriate for many types of user, but require more sophisticated architectures for processing of language and dialogue; we then use these observations to motivate an architecture which combines parallel deep and shallow natural language analysis engines and an agenda-driven dialogue manager. We outline the top-level processing strategy used by the dialogue manager, and also a novel formalism, which we call Flat Utterance Description, that allows us to reduce the output of the deep and shallow language-processing engines to a common representation.
Publisher: Linköping University Electronic Press
Year: 1999
Available: 1999-12-30
No. of pages: 8
Series: Linköping Electronic Articles in Computer and Information Science
ISSN: 1401-9841

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