Expert Systems

Expert Systems

1. An expert system is computer software that attempts to act like a human expert on a particular subject area.

   • Definition

2. How it works

   • •A user interface - This is the system that allows a non-expert user to query (question) the expert system, and to receive advice. The user-interface is designed to be a simple to use as possible. •A knowledge base - This is a collection of facts and rules. The knowledge base is created from information provided by human experts •An inference engine - This acts rather like a search engine, examining the knowledge base for information that matches the user's query

3. Where it works

   • A Expert System can be