Expert systems are currently being developed in many and varied professions. A major problem however is the extraction of knowledge from the required expert in order that it can be represented within the system. This paper will summarise the problems of knowledge elicitation, outline the methods currently used to acquire expert knowledge and describe the method we have refined from these general principles as the most suitable for ‘capturing’ the expertise of a practicising residential mortgage valuer. The basis of this paper is a research project investigating the application of expert systems to the valuation of vacant possession residential properties for mortgage purposes continuing at the Polytechnic of Wales.
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