A method for inference in approximate reasoning based on interval-valued fuzzy sets
Fuzzy Sets and Systems
A fuzzy soft set theoretic approach to decision making problems
Journal of Computational and Applied Mathematics
Applications of soft sets in ideal theory of BCK/BCI-algebras
Information Sciences: an International Journal
Computers & Mathematics with Applications
On some new operations in soft set theory
Computers & Mathematics with Applications
A combined forecasting approach based on fuzzy soft sets
Journal of Computational and Applied Mathematics
Combination of interval-valued fuzzy set and soft set
Computers & Mathematics with Applications
Soft p-ideals of soft BCI-algebras
Computers & Mathematics with Applications
Computers & Mathematics with Applications
A fuzzy soft flood alarm model
Mathematics and Computers in Simulation
An adjustable approach to fuzzy soft set based decision making
Journal of Computational and Applied Mathematics
Soft BL-algebras based on fuzzy sets
Computers & Mathematics with Applications
Extending soft sets with description logics
Computers & Mathematics with Applications
Fuzzy soft set theory applied to BCK/BCI-algebras
Computers & Mathematics with Applications
Journal of Computational and Applied Mathematics
Application of level soft sets in decision making based on interval-valued fuzzy soft sets
Computers & Mathematics with Applications
Information Sciences: an International Journal
A note on soft sets, rough soft sets and fuzzy soft sets
Applied Soft Computing
Soft set theory applied to p-ideals of BCI-algebras related to fuzzy points
Neural Computing and Applications - Special Issue: ISNN 2010
Semantic decision making using ontology-based soft sets
Mathematical and Computer Modelling: An International Journal
A note on generalized soft equal relations
Computers & Mathematics with Applications
Applications of soft union sets to hemirings via SU-h-ideals
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
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Molodtsov's soft set theory provides a general mathematical framework for dealing with uncertainty. It is known that soft subsets and soft equal relations are of vital importance in soft set theory. This paper aims to give a systematic study on several types of soft subsets and various soft equal relations induced by them. We give some equivalent characterizations of different soft subsets and endeavor to ascertain the interrelations among these notions, illustrated by a number of concrete examples. We also consider ontology-based soft sets and show that soft L-subsets generalize both soft M-subsets and ontology-based soft subsets. Moreover, by means of soft L-subsets and some related notions, we give a theoretical study concerning soft product operations such as @?-products and @?-products. We consummate some incomplete results concerning soft product operations existing in the literature, and investigate the algebraic properties of soft product operations in detail. Finally, we consider free soft algebras associated with soft product operations. It is shown that soft L-equal relations are congruence relations over free soft algebras and the corresponding quotient structures form commutative semigroups.