156 Foundations of Fuzzy Logic and Semantic Web Languages
Example 27 ([48, 359]). Assume, that a car seller sells a sedan car. A buyer
is looking for a second-hand passenger car. Both buyers as well as sellers
have preferences (restrictions). Our aim is to find the best agreement. The
preferences are as follows. Concerning the buyer:
1. He does not want to pay more than 26000 euro (buyer reservation value).
2. If there is an alarm system in the car then he is completely satisfied with
paying no more than 22300 euro, but he can go up to 22750 euro to a
lesser degree of satisfaction.
3. He wants driver insurance and either theft insurance or fire insurance.
4. He wants air conditioning and the external color should be either black
or gray.
5. Preferably