8.7 role oF relatIonal DIvISIon For InFormatIon retrIeval 375
One problem is that the information would be meaningless for some
analytical programs because of the fuzziness of the data. Another possible
problem is that the contents of certain attributes such as age or GPA would
change on a regular basis. This is because any really useful information is
either volatile or perishable. Thirdly, data interpretation may not be consistent.
Since databases are shared by many departments, students with a high GPA
conceived by the graduate school might be considered average to the com-
puter science department. Because of these potential problems, it is more
natural to treat the facts in a fuzzy manner than to store fuzzy information
in a database. ...