FSQL: a flexible query language for data mining

Authors:
Ramón Alberto Carrasco;María Amparo Vila;José Galindo
Affiliations:
Dpto. de Ciencias de la Computación e I.A., Universidad de Granada, Granada, Spain;Dpto. de Ciencias de la Computación e I.A., Universidad de Granada, Granada, Spain;Dpto. de Lenguajes y Ciencias de la Computación, Universidad de Málaga, Spain
Venue:
Enterprise information systems IV
Year:
2003

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Abstract

At present we have a FSQL server available for Oracle© Databases, programmed in PL/SQL. This server allows us to query a Fuzzy or Classical Database with the FSQL language (Fuzzy SQL). The FSQL language is an extension of the SQL language, which permits us to write flexible (or fuzzy) conditions in our queries to a fuzzy or traditional database. In this paper we show an extension of FDBR architecture of FSQL for fuzzy handling of different types of data. The main advantage is that any user can to define his own fuzzy comparator for any specific problem. We consider that this model satisfies the requirements of Data Mining systems (handling of different types of data, high-level language, efficiency, certainty, interactivity, etc) and this new level of personal configuration makes the system very useful and flexible.