A comprehensive survey on formal concept analysis, its research trends and applications

PK Singh, CA Kumar, A Gani - International Journal of Applied …, 2016 - sciendo.com
In recent years, FCA has received significant attention from research communities of various
fields. Further, the theory of FCA is being extended into different frontiers and augmented …

A comprehensive review on updating concept lattices and its application in updating association rules

E Shemis, A Mohammed - Wiley Interdisciplinary Reviews …, 2021 - Wiley Online Library
Formal concept analysis (FCA) visualizes formal concepts in terms of a concept lattice.
Usually, it is an NP‐problem and consumes plenty of time and storage space to update the …

An efficient selector for multi-granularity attribute reduction

K Liu, X Yang, H Fujita, D Liu, X Yang, Y Qian - Information Sciences, 2019 - Elsevier
Presently, the mechanism of multi-granularity has been frequently realized by various
mathematical tools in Granular Computing especially rough set. Nevertheless, as a key topic …

A comparative study of multigranulation rough sets and concept lattices via rule acquisition

J Li, Y Ren, C Mei, Y Qian, X Yang - Knowledge-Based Systems, 2016 - Elsevier
Recently, by combining rough set theory with granular computing, pessimistic and optimistic
multigranulation rough sets have been proposed to derive “AND” and “OR” decision rules …

Bipolar fuzzy graph representation of concept lattice

PK Singh, CA Kumar - Information Sciences, 2014 - Elsevier
Abstract Formal Concept Analysis (FCA) is a mathematical framework for knowledge
processing tasks. FCA has been successfully incorporated into fuzzy setting and its …

[HTML][HTML] Comparison of reduction in formal decision contexts

J Li, CA Kumar, C Mei, X Wang - International Journal of Approximate …, 2017 - Elsevier
In formal concept analysis, many reduction methods have recently been proposed for formal
decision contexts, and each of them was to reduce formal decision contexts with a particular …

Attribute reduction in generalized one-sided formal contexts

MW Shao, KW Li - Information Sciences, 2017 - Elsevier
In this paper, we present a new pair of adjoint map**s between a power set and the direct
product of complete lattices. The proposed pair of adjoint map**s form a Galois …

Concepts reduction in formal concept analysis with fuzzy setting using Shannon entropy

PK Singh, AK Cherukuri, J Li - International Journal of Machine Learning …, 2017 - Springer
In this paper we propose a method for reducing the number of formal concepts in formal
concept analysis of data with fuzzy attributes. We compute the weight of fuzzy formal …

Rule acquisition and optimal scale selection in multi-scale formal decision contexts and their applications to smart city

J **e, M Yang, J Li, Z Zheng - Future Generation Computer Systems, 2018 - Elsevier
In order to enrich the existing rule acquisition theory in formal decision contexts, this study
puts forward three new types of rules: decision association rules, non-redundant decision …

Knowledge reduction in formal contexts using non-negative matrix factorization

AK Ch, SM Dias, NJ Vieira - Mathematics and Computers in Simulation, 2015 - Elsevier
Abstract Formal Concept Analysis (FCA) is a mathematical framework that offers conceptual
data analysis and knowledge discovery. One of the main issues of knowledge discovery is …