Granulation in rough set theory: a novel perspective

JL Velázquez-Rodríguez, Y Villuendas-Rey… - … Journal of Approximate …, 2020 - Elsevier
information granulation (section 2), and we introduce a novel granulation, the Parameterized
Granulation, to overcome the aforementioned drawbacks of such granulations (section 3.1). …

Three-way approximation of decision granules based on the rough set approach

J Stepaniuk, A Skowron - International Journal of Approximate Reasoning, 2023 - Elsevier
… three-way rough set based approach for approximation of decision … a new concept of
approximation space which is based on … the case of decision granule approximations in distributed …

Updating approximations with dynamic objects based on local multigranulation rough sets in ordered information systems

W Li, W Xu, X Zhang, J Zhang - Artificial Intelligence Review, 2022 - Springer
information in the formation of approximation space. In this paper, we first present a local
rough set … as: (1) The local rough set theory is extended to the multiple granulation ordered …

Rough Pythagorean fuzzy approximations with neighborhood systems and information granulation

M Akram, HS Nawaz, C Kahraman - Expert Systems with Applications, 2023 - Elsevier
rough sets and Pythagorean fuzzy sets, we propose rough Pythagorean fuzzy approximations
… Extending the Pawlak’s rough set approximations, this paper presents rough Pythagorean …

Dynamic updating approximations of local generalized multigranulation neighborhood rough set

W Xu, K Yuan, W Li - Applied Intelligence, 2022 - Springer
rough set theory, we need to obtain all information classes of the objects coming from universe
for approximating … Each granule denotes different characters, thus we should study the …

Covering based multi-granulation rough fuzzy sets with applications to feature selection

Z Huang, J Li - Expert Systems with Applications, 2024 - Elsevier
… a pair of approximation operators are formulated … Rough sets and its generalized models
play a vital role in granular computing. Zadeh first suggested the idea of information granulation

Matrix-based approximation dynamic update approach to multi-granulation neighborhood rough sets for intuitionistic fuzzy ordered datasets

X Zhang, J Wang, J Hou - Applied Soft Computing, 2024 - Elsevier
… -granulation neighborhood dominant rough sets, based on a matrix form, in an intuitionistic
fuzzy ordered information … multi-granulation neighborhood dominant rough sets. Additionally, …

Fast calculation for approximations in Dominance-based Rough Set Approach using Dual Information Granule

J Zhao, D Wu, JX Wu, EWK See-To, F Huang - Applied Soft Computing, 2023 - Elsevier
… applied to DRS, and we intend to use granule-based methods to address the two …
approximation calculation method, called DIGAC (Dual Information Granule-based Approximation

[PDF][PDF] Two-Layer Information Granulation: Mapping-Equivalence Neighborhood Rough Set and Its Attribute Reduction.

C Liu, Y Liu, J Song, T Xu - Intelligent Automation & Soft …, 2023 - cdn.techscience.cn
… five neighborhood rough sets for information granulation of … to evaluate the results of
information granulation. The AQ column … Uma Maheswari, “Rough set based rule approximation

Variable precision multi-granulation composite rough sets with multi-decision and their applications to medical diagnosis

J Ye, B Sun, J Zhan, X Chu - Information Sciences, 2022 - Elsevier
… precision multi-decision multi-granulation rough set (VPMDMGRS) models with respect to
… ’s rough set is limited to the lower and upper approximations under single granulation in the …