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This paper deals with the interpretation and processing of database queries with preference conditions of the form ldquoattribute is low (resp. medium, high)rdquo in the situation where the user is not aware of the actual content of the database but still wants to retrieve the best possible answers (relatively to that content). An approach to the definition of the terms ldquolowrdquo, ldquomediumrdquo...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.