Using FCA to Answer Fuzzy Queries in Cooperative Systems

Author

Chettaoui, Hanène ; Ben Hassine, M.A. ; Hachani, Narjes ; Ounelli, Habib

Author_Institution

Fac. of Sci. of Tunis, Campus Univ., Tunis

Volume

3

fYear

2008

fDate

18-20 Oct. 2008

Firstpage

14

Lastpage

20

Abstract

In this paper, we present a cooperative approach to deal with empty answers in the case of fuzzy conjunctive queries by referring to the formal concept analysis theory. We present an architecture combining databases with this theory. In this architecture, fuzzy querying processing based on Galois lattices allows to detect the reasons of empty answers by providing the subqueries that are responsible of the failure. We also use concept lattices to answer the user with the nearest answers through fuzzy alternative subqueries.

Keywords

cooperative systems; fuzzy set theory; query processing; Galois lattices; cooperative systems; formal concept analysis theory; fuzzy alternative subqueries; fuzzy conjunctive queries; Cooperative systems; Data analysis; Database systems; Fuzzy sets; Fuzzy systems; Information analysis; Information retrieval; Lattices; Query processing; Relational databases; Cooprative systems; FCA; Flexible queries; fuzzy sets;

fLanguage

English

Publisher

ieee

Conference_Titel

Fuzzy Systems and Knowledge Discovery, 2008. FSKD '08. Fifth International Conference on

Conference_Location

Shandong

Print_ISBN

978-0-7695-3305-6

Type

conf

DOI

10.1109/FSKD.2008.327

Filename

4666207