Distinguish between depth-first searching and breadth-first searching. Distinguish between knowledge-based systems and expert systems. Distinguish be rule-based systems and inference engines. What is...

Distinguish between depth-first searching and breadth-first searching. Distinguish between knowledge-based systems and expert systems. Distinguish be rule-based systems and inference engines. What is an example of a human expert system? Define some variables and some rules that might be in an expert system for automobile repair.