Results 1 to 10 of about 5,488,017 (310)

Layered Concept Lattice Model and Its Application to Build Rapidly Concept Lattice. [PDF]

open access: yesComput Intell Neurosci, 2020
When some attributes of a formal context can be decomposed into some subattributes a model of layered concept lattice to improve the efficiency of building concept lattice with complex structure attribute data is studied, the relationship between concept lattice and layered concept is discussed.
Wu X, Zhang J, Zhong J.
europepmc   +4 more sources

Granule Description of Object (Attribute)-Oriented Linguistic Concept Lattice Based on Dominance Relation

open access: yesInternational Journal of Computational Intelligence Systems, 2021
Concept lattice, as an effective tool for knowledge acquisition and data analysis, has been successfully used in many fields. Aiming at the problem of groups for uncertain information in the linguistic environment, this paper mainly focuses on the ...
Hui Cui   +4 more
doaj   +1 more source

Research on Drift Calculation of Concept Lattice for Sliding Window Method

open access: yesJisuanji kexue yu tansuo, 2021
Concept lattice is an effective tool for data analysis and rule acquisition. In recent years, the application and research of concept lattice has gradually become an important research direction in the field of data analysis.
XU Jilin, XU Jianfeng, LIU Long, WU Fangwen
doaj   +1 more source

A Combination Algorithm of Multiple Lattice-Valued Concept Lattices [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2013
With the rapid development of network technology, especially in the internet area, distributed computation and parallel processing of data are urgently needed. This paper studies the combination operation of the lattice-valued concept lattices to realize
Li Yang, Yuhui Wang, Yang Xu
doaj   +1 more source

Stream Convolution for Attribute Reduction of Concept Lattices

open access: yesMathematics, 2023
Attribute reduction is a crucial research area within concept lattices. However, the existing works are mostly limited to either increment or decrement algorithms, rather than considering both.
Jianfeng Xu   +4 more
doaj   +1 more source

Muon Collider lattice concepts [PDF]

open access: yesJournal of Instrumentation, 2018
A Muon Collider poses a number of challenging problems in the lattice design - low beta-star, small circumference, large physical and dynamic aperture - which must be solved in order to realize the unique opportunities it offers for the high-energy physics.
Alexahin, Y.   +2 more
openaire   +2 more sources

Research on the multi-granularity method of role engineering

open access: yesFrontiers in Computational Neuroscience, 2022
The role-based access control model (RBAC) is an access control approach oriented to enterprise security policy, which plays a leading role in the field of access control due to its good applicability and flexibility.
Yongmei Jiao   +3 more
doaj   +1 more source

Attribute Logic Formula Description of Granule and Its Application to Build Concept Lattice

open access: yesIEEE Access, 2020
This paper focus on the granule description based on formal concept analysis. First, we introduce the notion of attribute logic formula in a formal context, and then prove a general granule description theorem by using attribute logic formulas.
Xia Wu, Jialu Zhang, Ruhua Lu
doaj   +1 more source

Analysis of Mine Safety Performance Evaluation Law Based on Matter-Element Analysis and Rough Set of Concept Lattice Reduction

open access: yesIEEE Access, 2021
The mine safety performance evaluation and its law were taken as research objects; the human factor, mechanical equipment, management system, environment and technology were taken as mine safety state indexes; accident loss and disabling incident ...
Jianhong Chen   +4 more
doaj   +1 more source

The Feature Description of Formal Context Based on the Relationships among Concept Lattices

open access: yesEntropy, 2021
Three-way concept analysis (3WCA) is extended research of formal concept analysis (FCA) by combining three-way decision. The three-way object oriented concept lattice (OEOL) is one of the important data structures which integrates rough set, concept ...
Ting Qian, Yongwei Yang, Xiaoli He
doaj   +1 more source

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