From judgment to rules

After the first AI winter, researchers narrowed the goal. They focused on one field and asked specialists how they made decisions.

A asked questions and wrote down the clues the specialist combined.

A simplified equipment rule might look like this:

IF a motor vibrates most near its spinning rod, its sound grows when the machine works harder, and its outer shell is hotter on one side, THEN inspect the .

The rule is simple. The expertise lies in knowing that those clues belong together.

The full rulebook was the . The found the rules that matched each case and followed them toward an answer.

An expert system was a regular computer program. What made it unusual was the specialist knowledge encoded across hundreds of connected rules.

From judgment to rules

After the first AI winter, researchers narrowed the goal. They focused on one field and asked specialists how they made decisions.

A asked questions and wrote down the clues the specialist combined.

A simplified equipment rule might look like this:

IF a motor vibrates most near its spinning rod, its sound grows when the machine works harder, and its outer shell is hotter on one side, THEN inspect the .

The rule is simple. The expertise lies in knowing that those clues belong together.

The full rulebook was the . The found the rules that matched each case and followed them toward an answer.

An expert system was a regular computer program. What made it unusual was the specialist knowledge encoded across hundreds of connected rules.