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CHAPTER 10 / BASIC TECHNOLOGY OF THE INTELLIGENT COMMUNICATION SYSTEM 1 05
FIGURE I O.I PR inference.
(7) Production rule P2, which is matched to "Meat," is chosen and
executed. After execution, "Ted likes" is found and execution is
complete. The conclusion is that "Ted likes meat." The process flow is
shown in Figure 10.2.
Example 2—Finding an Alternative Rule: The following rule is given:
IF A is busy, THEN the traffic goes through B.
IF both A and B are busy, THEN the traffic goes through C.
A routing example is shown in Figure 10.3.
Knowledge about a store can be presented in a semantic network, as in Figure
10.4. The same knowledge can be described with production rales, as follows:
(1) IF a shop is perishables shop A, THEN it is a perishable shop.
(2) IF a shop is a perishables shop, THEN it is a food shop.
(3) IF a shop is a food shop, THEN it is a shop.
(4) IF a shop is a candy shop, THEN it is a food shop.
