Expert Sistems

Expert Sistems

1. software that attempts to act like a human expert on a particular subject area.

2. It is made by

   • A user interface
     • This is the system that allows a non-expert user to query the expert system, and receive an answer.
   • A knowledge base
     • This is a collection of facts and rules, the information is provided by human experts
   • An inference engine
     • It examinins the knowledge base for information that matches the user's query

3. Some areas where they are used are

   • Financial advice
   • Strategy games
   • Medical Diagnosis
   • Identify items
   • Diagnose car engine problems
   • Discover locations to drill for water and oil

4. Disadvantages

   • They can not predict unexpected data.
   • They have no common sense
   • If the non-expert user makes mistakes when asking the system will give a bad answer