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    Wyświetlanie 1-12 z 12
    Tytuł:
    On the order equivalence relation of binary association measures
    Autorzy:
    Paradowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/330881.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    association coefficient
    result ranking
    linear combination
    zeroed variance determinant
    feature selection
    Opis:
    Over a century of research has resulted in a set of more than a hundred binary association measures. Many of them share similar properties. An overview of binary association measures is presented, focused on their order equivalences. Association measures are grouped according to their relations. Transformations between these measures are shown, both formally and visually. A generalization coefficient is proposed, based on joint probability and marginal probabilities. Combining association measures is one of recent trends in computer science. Measures are combined in linear and nonlinear discrimination models, automated feature selection or construction. Knowledge about their relations is particularly important to avoid problems of meaningless results, zeroed generalized variances, the curse of dimensionality, or simply to save time.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2015, 25, 3; 645-657
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determining an estimate of an equivalence relation for moderate and large sized sets
    Autorzy:
    Klukowski, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/406538.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    estimation
    equivalence relation
    pairwise comparisons
    random errors
    nearest adjoining order
    oszacowanie
    relacja równoważności
    błędy losowe
    najbliższe sąsiedztwo
    Opis:
    This paper presents two approaches to determining estimates of an equivalence relation on the basis of pairwise comparisons with random errors. Obtaining such an estimate requires the solution of a discrete programming problem which minimizes the sum of the differences between the form of the relation and the comparisons. The problem is NP hard and can be solved with the use of exact algorithms for sets of moderate size, i.e. about 50 elements. In the case of larger sets, i.e. at least 200 comparisons for each element, it is necessary to apply heuristic algorithms. The paper presents results (a statistical preprocessing), which enable us to determine the optimal or a near-optimal solution with acceptable computational cost. They include: the development of a statistical procedure producing comparisons with low probabilities of errors and a heuristic algorithm based on such comparisons. The proposed approach guarantees the applicability of such estimators for any size of set.
    Źródło:
    Operations Research and Decisions; 2017, 27, 2; 45-58
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the greatest congruence relation contained in an equivalence relation and its applications to the algebraic theory of machines
    Autorzy:
    Słomiński, Józef
    Powiązania:
    https://bibliotekanauki.pl/articles/725622.pdf
    Data publikacji:
    1974
    Wydawca:
    Polska Akademia Nauk. Instytut Matematyczny PAN
    Źródło:
    Colloquium Mathematicum; 1974, 29, 1; 31-43
    0010-1354
    Pojawia się w:
    Colloquium Mathematicum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On monadic quantale algebras: basic properties and representation theorems
    Autorzy:
    Solovyov, Sergey
    Powiązania:
    https://bibliotekanauki.pl/articles/729061.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
    Tematy:
    m-semilattice
    ⋁-lattice
    quantale
    quantale module
    topological system
    tropological system
    quantale algebra
    quantaloid
    quantale algebroid
    quantifier
    monadic quantale algebra
    Girard quantale
    Q-equivalence relation
    Ω-valued set
    GL-monoid
    commutative integral cl-monoid
    Opis:
    Motivated by the concept of quantifier (in the sense of P. Halmos) on different algebraic structures (Boolean algebras, Heyting algebras, MV-algebras, orthomodular lattices, bounded distributive lattices) and the resulting notion of monadic algebra, the paper introduces the concept of a monadic quantale algebra, considers its properties and provides several representation theorems for the new structures.
    Źródło:
    Discussiones Mathematicae - General Algebra and Applications; 2010, 30, 1; 91-118
    1509-9415
    Pojawia się w:
    Discussiones Mathematicae - General Algebra and Applications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tests for relation type - equivalence or tolerance - in a finite set of elements
    Autorzy:
    Klukowski, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/969955.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    pairwise comparisons
    tests for relation type
    nearest adjoining order method
    Opis:
    The statistical procedure for determination of the type of relation - equivalence or tolerance - in a finite set of elements, estimated on the basis of pairwise comparisons with random errors, is presented. The procedure consists of two tests based on Chebyshev's inequality for variance of a random variable; the test statistic is a mixture of some random variables. An example of application of the procedure - determination of relation type in the set of functions expressing profitability of treasury securities sold at auctions in Poland - is presented, too.
    Źródło:
    Control and Cybernetics; 2006, 35, 2; 369-384
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Completion and clarification to the paper "Tests for relation type - equivalence or tolerance - in finite set of elements"
    Autorzy:
    Klukowski, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/970409.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    tests for relation type
    pairwise comparisons
    Źródło:
    Control and Cybernetics; 2007, 36, 2; 467-468
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Planck scale potential associated with particles
    Autorzy:
    Bulathsinghala, D.L.
    Gamalath, K.A.I.L.W.
    Powiązania:
    https://bibliotekanauki.pl/articles/412054.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Planck scale potential
    mass-energy equivalence
    charge-energy equivalence
    energy-momentum relation
    electromagnetic momentum
    de-Broglie’s wave length
    Opis:
    As the particles originating from point-like entities are associated with infinite self energies, a postulate, that the scalar-potential associated with particles are bounded by a Planck scale potential is introduced. By defining the self energy of a particle, equivalences between charge-energy and mass-energy are obtained. The electromagnetic energy-momentum equation, de-Broglie’s electromagnetic wave-length and frequency for a charge particle in motion are presented resolving the “4/3” discrepancy. The non-covariance nature of the present classical electrodynamics is discussed and how the proposed postulate makes it a fully covariant theorem with the rest of the classical electrodynamics is presented. A way electromagnetic energy-momentum equation could potentially resolve the stability-problem of a charge particle is discussed and thereby a theoretical explanation to electron’s spin is presented.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 11; 54-64
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rozmyta relacja równoważności strumieni finansowych
    Fuzzy Relation on Cash Flow Equivalence
    Autorzy:
    Piasecki, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/593444.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Finanse
    Rynki finansowe
    Strumienie pieniężne
    Cash flow
    Finance
    Financial markets
    Opis:
    There are presented premises inducing to generalize the concept of cash flow equivalence to fuzzy case. As a result of taking these studies was obtained membership function of fuzzy relation of cash flow equivalence. Obtained model was applied for determine the length of accounting period used in conditions of high inflation.
    Źródło:
    Studia Ekonomiczne; 2013, 163; 318-331
    2083-8611
    Pojawia się w:
    Studia Ekonomiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    La synonymie : une relation lexicale comme les autres
    Synonymy: a lexical relation like any other
    Autorzy:
    Fasciolo, Marco
    Zeng, Qianqian
    Powiązania:
    https://bibliotekanauki.pl/articles/31341259.pdf
    Data publikacji:
    2023
    Wydawca:
    Wydawnictwo Uniwersytetu Śląskiego
    Tematy:
    Synonymy
    meaning
    equivalence
    connotative meaning
    lexicon
    lexical relations
    Opis:
    This article deals with the epistemological consistency of synonymy. When synonymy is defined as equality of meaning, it turns out to be a factually impossible relation. Therefore, scholars distinguish between full synonymy (ideal concept) and partial synonymy (real phenomenon). We argue that this distinction must be discarded in order to maintain consistency in synonymy. We propose that synonymy does not consist in the absence of different semantic nuances between meanings, but rather in the condition for finding different semantic nuances between meanings. This condition is interpreted as sharing the same “predicative schema” in the sense of Gaston Gross.
    Źródło:
    Neophilologica; 2023, 35; 1-18
    0208-5550
    2353-088X
    Pojawia się w:
    Neophilologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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