Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/7059
Title: Integrating multiple problem solvers in knowledge-based systems
Authors: Christodoulou, Eleni
Keravnou-Papailiou, Elpida
Keywords: Engineering
Expert systems (Computer science)
Computer science
Computer architecture
Algorithms
Knowledge representation
Issue Date: 1997
Publisher: Cambridge University Press
Source: Knowledge engineering review, 1997, Volume 12, Issue 2, Pages 181-207
Abstract: Research in knowledge-based systems has shown that the use of multiple knowledge representation formalisms and reasoning mechanisms for achieving a specific task in complex domains could result in efficient and effective problem solving. This has led t o the development of a number of general architectures and application-specific systems integrating multiple problem solvers. A problem solver is defined to be an association between a knowledge intensive (sub)task, an inference mechanism and a knowledge representation formalism on which the inference mechanism is working to achieve the (sub)task. A knowledge-based system making use of different problem solvers should address a number of critical aspects of integration of the solvers, like interaction, in vocation, reactiveness, learning and expandability. The aim of this paper is to distinguish and discuss essential integration aspects, and to review a number of proposed general hybrid architectures and application specific hybrid systems on the basis of these aspects. The review shows that none of these general architectures or application specific systems directly addresses all the identified integration aspects. In general, the limitations exhibited by these systems are due to the naive form of interac tion and invocation of the integrated solvers. We give a high level specification for a competent hybrid knowledge-based architecture that supports the identified integration aspects
URI: http://ktisis.cut.ac.cy/handle/10488/7059
ISSN: 0269-8889 (print)
1469-8005 (online)
DOI: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=70963
Rights: © Cambridge University Press 1997
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