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Comparison of multidimensional database schema querying results using ordered and unordered dimensional attributes data
The paper deals with the analysis of possible effects of the preordering of Attribute relations' data values in the anchor database schema on the query execution performance. The anchor data modeling technique is s...
IN - Informatika
- 2015 •
- D
Rok uplatnění
D - Stať ve sborníku
Lattice-valued preordered sets as lattice-valued topological systems
This paper provides variable-basis lattice-valued analogues of the well-known results that the construct Prost of preordered sets, firstly, is concretely isomorphic to a full concretely coreflective subcategory of the category Top o...
BA - Obecná matematika
- 2015 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Autoassociative Fuzzy Implicative Memory on the Platform of Fuzzy Preorder
We propose a new theoretical justification of implicative fuzzy associative memory. It is based on the notion of a fuzzy preorder operator. Moreover, we give a necessary and sufficient condition on input data that guarantees insensi...
IN - Informatika
- 2015 •
- D
Rok uplatnění
D - Stať ve sborníku
Realization of Categorical Idempotent Closure Operators by Preorders
In the paper, we introduce the concept of a preorder on a category and study its relation to categorical closure operators. In particular, employing a Galois connection, we show that there is a one-to-one correspondence between the idempoten...
Applied mathematics
- 2021 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Realization of Categorical Idempotent Closure Operators by Preorders
In the paper, we introduce the concept of a preorder on a category and study its relation to categorical closure operators. In particular, employing a Galois connection, we show that there is a one-to-one correspondence between the idempoten...
Applied mathematics
- 2022 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
A New Model of a Fuzzy Associative Memory
We propose a new theory of implicative fuzzy associative memory. This memory is modeled by a fuzzy preorder relation. We give a necessary and sufficient condition on input data that guarantees an effective composition of a fuzzy ass...
BA - Obecná matematika
- 2015 •
- D
Rok uplatnění
D - Stať ve sborníku
Systems of Fuzzy Relation Equations in a Space with Fuzzy Preorder
We established new solvability criteria for systems of fuzzy relation equations of two different types. The new criteria are based on the assumption that fuzzy sets on the left-hand side of a system are upper sets of a respective *-fuzzy preorder...
BA - Obecná matematika
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
Lorentz-like orderings in multicriteria decision making
We discuss the orders based on aggregation operator A and we recall Lorentz ordering which is related to the transformation of the information contained in x into an n-tuple x1. Two approaches how to build a preorder on score vectors have in...
BA - Obecná matematika
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Equivalent solutions of nonlinear equations in a topological vector space with a wedge
We obtain efficient conditions under which some or all solutions of an non-linear equation in a topological vector space preordered by a closed wedge are comparable with respect to the corresponding preordering. Conditions sufficien...
BA - Obecná matematika
- 2007 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Note on Intuitionistic L-fuzzy rough sets, intuitionistic L-fuzzy preorders and intuitionistic L-fuzzy topologies
In this note, we show that, in the paper [ Zhong Y, Yan CH, Intuitionistic $L$-fuzzy rough sets, intuitionistic $L$-fuzzy preorders and intuitionistic $L$-fuzzy topologies, {em Fuzzy Information and Engineering}, {bf 8}(2016) 255-279], the c...
Mathematics
- 2021 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
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