About the Performance of SQLf Evaluation Mechanisms

Leonid Tineo (1), Yosmar López (1)

e-mails: leonid@ldc.usb.ve, yosmara@hotmail.com

(1) Universidad Simón Bolívar - Departamento de Computación Apartado 89000, 1080-A Caracas Venezuela

Abstract

In order to make more flexible database access the query language SQLf has been previously proposed. One of the SQLf features is the use of Fuzzy Quantifiers in Having Clause. For this kind of query, three evaluation mechanisms have been proposed: the Nae, the Sugeno Integral Heuristics based and the Alfa-cut Derivation based. We present in this paper a formal performance study of these three mechanisms. This study has been made using a SQLf prototype build on top of a RDBMS.

Keywords:Database Fuzzy Querying, Query Performance

BibTex

@INPROCEEDINGS{tineo04:281,
                  AUTHOR       = {Leonid Tineo and Yosmar López},
                  TITLE        = {About the Performance of SQLf Evaluation Mechanisms},
                  BOOKTITLE    = {30ma Conferencia Latinoamericana de Informática (CLEI2004)},
                  YEAR         = {2004},
                  editor       = {Mauricio Solar and David Fernández-Baca and Ernesto Cuadros-Vargas},
                  pages        = {863--871},
                  address      = {},
                  month        = Sep,
                  organization = {Sociedad Peruana de Computación},
                  note         = {ISBN 9972-9876-2-0},
                  file         = {http://clei2004.spc.org.pe/es/html/pdfs/281.pdf}
}

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