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Unformatted text preview: aining, a rule is identified that has as its consequence
the affirmation of the question.
• The conditions of this rule are examined to see if they satisfy the
data set. If they don’t, the conditions of this rule are taken as subgoals for subsequent iterations.
• Chaining stops when there are no more rules or when a predefined stopping condition is reached. 13 1.4.3 Example
• You are a building inspector for a large insurance company. You
are responsible for evaluating their buildings through on-site
inspections. This insurance company has hundreds of buildings
scattered around the country. You cannot visit each one on a
• A knowledge system has been created to help you decide which
buildings require on-site inspections.
• Apply forward and backward chaining to the following rules. 14 1.4.3 Example
• R1: If water damage is possible and
If the building has not been renovated for 30 years
Then on-site inspection is necessary
• R2: If the plumbing system is suspect
Then water da...
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- Fall '14