We describe an application of artificial intelligence techniques to computer system fault diagnosis, in particular, we have implemented an automated consultant that advises IBM field service personnel on the diagnosis of faults occurring in computer installations. The consultant identifies specific system components (both hardware and software) likely to be responsible for an observed fault and offers a brief explanation of the major factors and evidence supporting these indictments. The consultant, called DART, was constructed using HMYCIN [1], and is part of a larger research effort investigating automated diagnosis of machine faults [2].
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