An expert is one who knows more and more about less and less.
—Nicholas Murray Butler (1862–1947)
In the 1970s there was terrifie interest in the area of knowledge-based expert systems. An expert system or knowledge-based system is one that solves problems by applying knowledge that has been garnered from one or more experts in a field. Since these experts will not in general be programmers, they will very probably express their expertise in terms that cannot immediately be translated into a program. It is the goal of expert-system research to come up with a representation that is flexible enough to handle expert knowledge, but still capable of being manipulated by a computer program to come up with solutions.
A plausible ...