An approach to control different versions of knowledge in object-oriented systems and its applications in FIREX

Authors:
F. Belli;H. Bonin
Affiliations:
The University of Paderborn, Federal Republic of Germany;Polytechnic Nordostniedersachsen, Lueneburg, Federal Republic of Germany
Venue:
IEA/AIE '90 Proceedings of the 3rd international conference on Industrial and engineering applications of artificial intelligence and expert systems - Volume 1
Year:
1990

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Abstract

Object-oriented environments as to flavor systems, allow multiple inheritance of objects. This may lead to consistency problems in knowledge-based systems which will be developed in such environments - like the multiple (and differing) expert opinions which may cause conflicts in knowledge acquisition.We suggest tagging existing objects with method resolution path to commit consistent co-existence of different versions of the inheritance hierarchy. We illuminate this approach by means of examples implemented in the real system FIREX (FIRe avoidance and combat EXpertise /BELL89/).