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Domain Knowledge Management in Information-providing Dialogue Systems
Linköping University, Department of Computer and Information Science, NLPLAB - Natural Language Processing Laboratory. Linköping University, The Institute of Technology.
2001 (English)Licentiate thesis, monograph (Other academic)
Abstract [en]

In this thesis a new concept called domain knowledge management for informationproviding dialogue systems is introduced. Domain knowledge management includes issues related to representation and use of domain knowledge as well as access of background information sources, issues that previously have been incorporated in dialogue management.

The work on domain knowledge management reported in this thesis can be divided in two parts. On a general theoretical level, knowledge sources and models used for dialogue management, including domain knowledge management, are studied and related to the capabilities they support. On a more practical level, domain knowledge management is examined in the contexts of a dialogue system framework and a specific instance of this framework, the ÖTRAF system. In this system domain knowledge management is implemented in a separate module, a Domain Knowledge Manager.

The use of a specialised Domain Knowledge Manager has a number of advantages. The first is that dialogue management becomes more focused as it only has to consider dialogue phenomena, while domain-specific reasoning is handled by the Domain Knowledge Manager. Secondly, porting of a system to new domains is facilitated since domain-related issues are separated out in specialised domain knowledge sources. The third advantage with a separate module for domain knowledge management is that domain knowledge sources can be easily modified, exchanged, and reused.

Place, publisher, year, edition, pages
Institutionen för datavetenskap , 2001. , 149 p.
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 890
Keyword [en]
Dialogue management, computer systems, Domain knowledge manager, Databehandling Tillämpningsprogram Systemprogram, Artificiell Intelligens AI
National Category
Computer Science
URN: urn:nbn:se:liu:diva-5736ISBN: 91-7373-050-5OAI: diva2:21492
2001-06-06, 00:00 (English)
Report code: LiU-Tek-Lic-2001:27.Available from: 2003-01-30 Created: 2003-01-30 Last updated: 2014-01-13

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Flycht-Eriksson (Silvervarg), Annika
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