A literature overview of fuzzy database modeling

ZM Ma - Intelligent Databases: Technologies and Applications, 2007 - igi-global.com
Fuzzy set theory has been extensively applied to extend various data models and resulted in
numerous contributions, mainly with respect to the popular relational model or to some …

GEFRED: a generalized model of fuzzy relational databases

JM Medina, O Pons, MA Vila - Information sciences, 1994 - Elsevier
In this paper, we present a Fuzzy Relational Databases model whose main characteristics
are: the integration of previous models in the same framework, representation capabilities …

Mining stock price using fuzzy rough set system

YF Wang - Expert Systems with Applications, 2003 - Elsevier
In this study of mining stock price data, we attempt to predict the stronger rules of stock
prices. To address this problem, we proposed an effective method, a fuzzy rough set system …

SQLf query functionality on top of a regular relational database management system

P Bosc, O Pivert - Knowledge Management in Fuzzy Databases, 2000 - Springer
This paper is mainly concerned with the extension of database management systems
querying capabilities, so that users may address queries involving preferences and get …

Fuzzy sets in database and information systems: Status and opportunities

P Bosc, D Kraft, F Petry - Fuzzy Sets and Systems, 2005 - Elsevier
Fuzzy set approaches have been applied in the database and information retrieval areas for
nearly 30years. Here we give consideration to aspects of these areas that seem to afford the …

A fuzzy database engine for

JM Medina, IJ Blanco, O Pons - International Journal of …, 2022 - Wiley Online Library
Big Data are a paradigm through which valuable information is achieved through the
analysis of a large amount of data. The sources of these data can be varied, from data …

Mining time series data by a fuzzy linguistic summary system

DA Chiang, LR Chow, YF Wang - Fuzzy sets and Systems, 2000 - Elsevier
In this paper, we are interested in mining the data with natural ordering according to some
attributes, and the time series data is one of this kind of data. The problem of mining the time …

Aliança: A proposal for a fuzzy database architecture incorporating XML

RD Rodrigues, AJO Cruz, RT Cavalcante - Fuzzy sets and systems, 2009 - Elsevier
This paper presents a new fuzzy database architecture called Aliança. Fuzzy databases
usually store information and its associated meta-information in order to add context to the …

Data summarization in relational databases through fuzzy dependencies

JC Cubero, JM Medina, O Pons, MA Vila - Information Sciences, 1999 - Elsevier
In this paper we deal with the problem of treating with dependencies in relational databases
which do not hold in an exact manner as classical functional dependencies but in a weaker …

Retrieving images in fuzzy object-relational databases using dominant color descriptors

J Chamorro-Martínez, JM Medina, CD Barranco… - Fuzzy Sets and …, 2007 - Elsevier
In this paper a fuzzy approach for image retrieval on the basis of color features is presented.
The proposal deals with vagueness in the color description and introduces the use of fuzzy …