Results 11 to 20 of about 559,978 (292)

Bipolar Fuzzy Relations

open access: yesMathematics, 2019
We introduce the concepts of a bipolar fuzzy reflexive, symmetric, and transitive relation. We study bipolar fuzzy analogues of many results concerning relationships between ordinary reflexive, symmetric, and transitive relations.
Jeong-Gon Lee, Kul Hur
doaj   +2 more sources

Evolving single- and multi-model fuzzy classifiers with FLEXFIS-class [PDF]

open access: yes, 2007
[2] R. Santos, E. Dougherty, and J. A. Jaakko, “Creating fuzzy rules for image classification using biased data clustering,” in SPIE proceedings series (SPIE proc. ser.) International Society for Optical Engineering proceedings series.
Angelov, Plamen   +5 more
core   +5 more sources

Conditional semi‐fuzzy c‐means clustering for imbalanced dataset

open access: yesIET Image Processing, 2020
Fuzzy c‐means algorithms have been widely utilised in several areas such as image segmentation, pattern recognition and data mining. However, the related studies showed the limitations in facing imbalanced datasets. The maximum fuzzy boundary tends to be
Yunlong Gao   +4 more
doaj   +1 more source

Paradigm of tunable clustering using Binarization of Consensus Partition Matrices (Bi-CoPaM) for gene discovery [PDF]

open access: yes, 2013
Clustering analysis has a growing role in the study of co-expressed genes for gene discovery. Conventional binary and fuzzy clustering do not embrace the biological reality that some genes may be irrelevant for a problem and not be assigned to a cluster,
Fa, Rui   +21 more
core   +1 more source

Fuzzy Divisive Hierarchical Associative-Clustering Applied to Different Varieties of White Wines According to Their Multi-Elemental Profiles

open access: yesMolecules, 2020
Wine data are usually characterized by high variability, in terms of compounds and concentration ranges. Chemometric methods can be efficiently used to extract and exploit the meaningful information contained in such data.
Ioana Feher   +4 more
doaj   +1 more source

Average-Based Fuzzy Time Series Markov Chain Based on Frequency Density Partitioning

open access: yesJournal of Applied Mathematics, 2023
Fuzzy time series (FTS) is one of the forecasting methods that has been developed until now. The fuzzy time series is a forecasting method that uses the concept of fuzzy logic, which Song and Chissom first introduced.
Susilo Hariyanto   +3 more
doaj   +1 more source

On-line identification of MIMO evolving Takagi-Sugeno fuzzy models [PDF]

open access: yes, 2004
Evolving Takagi-Sugeno (eTS) fuzzy models and the method for their on-line identification has been recently introduced as an effective tool for design of flexible system models with minimum a priori information.
Angelov, Plamen, Xydeas, C, Filev, D
core   +4 more sources

Prioritised fuzzy constraint satisfaction problems: axioms, instantiation and validation [PDF]

open access: yes, 2003
This paper identifies a generic axiom framework for prioritised fuzzy constraint satisfaction problems (PFCSPs), and proposes methods to instantiate it (i.e., to construct specific schemes which obey the generic axiom framework).
Luo, X.   +14 more
core   +1 more source

A Fuzzy Rule-Based GIS Framework to Partition an Urban System Based on Characteristics of Urban Greenery in Relation to the Urban Context

open access: yesApplied Sciences, 2020
We present a Geographical Information System (GIS)-based framework implementing a Mamdani fuzzy rule-based system to partition in an unsupervised mode an urban system in urban green areas.
Barbara Cardone, Ferdinando Di Martino
doaj   +1 more source

Triangular Fuzzy Time Series for Two Factors High-order based on Interval Variations

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2022
Fuzzy time series (FTS) firstly introduced by Song and Chissom has been developed to forecast such as enrollment data, stock index, air pollution, etc. In forecasting FTS data several authors define universe of discourse using coefficient values with any
A. Nafis Haikal   +4 more
doaj   +1 more source

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