FQUERY III+: A “human-consistent” database querying system based on fuzzy logic with linguistic quantifiers

Kacprzyk J, Zadrożny S, & Ziołkowski A (1989). FQUERY III+: A “human-consistent” database querying system based on fuzzy logic with linguistic quantifiers. Information Systems 14 (6): 443-453. DOI:10.1016/0306-4379(89)90012-4.

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Abstract

Using a fuzzy-logic-based calculus of linguistically quantified propositions we present FQUERY III+, a new, more “human-friendly” and easier-to-use implementation of a querying scheme proposed originally by Kacprzyk and Ziołkowski to handle imprecise queries including a linguistic quantifier as, e.g. find all records in which most (almost all, much more than 75%, … or any other linguistic quantifier) of the important attributes (out of a specified set) are as desired (e.g. equal to five, more than 10, large, more or less equal to 15, etc.). FQUERY III+ is an “add-on” to Ashton-Tate's dBase III Plus.

Item Type: Article
Uncontrolled Keywords: Database querying; imprecise query; fuzzy set; fuzzy logic; linguistic quantifier
Research Programs: General Research (GEN)
Depositing User: Romeo Molina
Date Deposited: 11 Apr 2016 13:54
Last Modified: 11 Apr 2016 13:54
URI: http://pure.iiasa.ac.at/12641

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