Here are some frequently asked questions about what I do.

What is an expert system?

Whatis.com defines an expert system as follows:

"An expert system is a computer program that simulates the judgment and behavior of a human or an organization that has expert knowledge and experience in a particular field. Typically, such a system contains a knowledge base containing accumulated experience and a set of rules for applying the knowledge base to each particular situation that is described to the program. Sophisticated expert systems can be enhanced with additions to the knowledge base or to the set of rules."

"Among the best-known expert systems have been those that play chess and that assist in medical diagnosis."

What is a knowledge engineer?

A knowledge engineer is someone who works with a "domain" expert to create rules or models for an expert system.