Results 81 to 90 of about 312,569 (204)
Moments and Semi-Moments for fuzzy portfolios selection [PDF]
The aim of this paper is to consider the moments and the semi-moments (i.e semi-kurtosis) for portfolio selection with fuzzy risk factors (i.e. trapezoidal risk factors).
Christian Tassak +2 more
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The authors have observed that the set of all fuzzy measures (in the sense of Sugeno) on a given \(\sigma\)-algebra of subsets of a set is closed under finite suprema and linear combinations. They also have shown that compositions of fuzzy measures with certain real-valued functions are again fuzzy measures.
SQUILLANTE, Massimo +1 more
openaire +2 more sources
OWA-based fuzzy m-ary adjacency relations in Social Network Analysis. [PDF]
In this paper we propose an approach to Social Network Analysis (SNA) based on fuzzy m-ary adjacency relations. In particular, we show that the dimension of the analysis can naturally be increased and interesting results can be derived.
Mario Fedrizzi +2 more
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In the context of the rapid development of e-commerce, the selection of optimal land plots for the construction of warehouse complexes that meet environmental, technical, and political requirements has become increasingly relevant.
Sergey Sakulin +2 more
doaj +1 more source
Arrow Index of Fuzzy Choice Function [PDF]
The Arrow index of a fuzzy choice function C is a measure of the degree to which C satisfies the Fuzzy Arrow Axiom, a fuzzy version of the classical Arrow Axiom.
Irina Georgescu
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The dynamics of consensus in group decision making: investigating the pairwise interactions between fuzzy preferences. [PDF]
In this paper we present an overview of the soft consensus model in group decision making and we investigate the dynamical patterns generated by the fundamental pairwise preference interactions on which the model is based.
Mario Fedrizzi +3 more
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Subjective Versus Objective Economic Measures, A fuzzy logic exercise [PDF]
It is rather evident that there is much more (statistical) information about objective aggregates, such as inflation, output or unemployment than that concerning subjective aggregates, such as well-being, satisfaction, confidence or even expectations ...
Caleiro, António
core +1 more source
Evaluation of fuzzy inference systems using fuzzy least squares [PDF]
Efforts to develop evaluation methods for fuzzy inference systems which are not based on crisp, quantitative data or processes (i.e., where the phenomenon the system is built to describe or control is inherently fuzzy) are just beginning.
Barone, Joseph M.
core +1 more source
Today, crisis conditions in the economy and finance require high-quality risk assessment. In the article, the authors propose two algorithms for assessing the projects lending risks (PLRs) to small and medium-sized businesses. To assess qualitative PLRs,
Sergey Sveshniko +3 more
doaj +1 more source
The Theory of Fuzzy Logic and its Application to Real Estate Valuation [PDF]
Fuzzy logic is based on the central idea that in fuzzy sets each element in the set can assume a value from 0 to 1, not just 0 or 1, as in classic set theory. Thus, qualitative characteristics and numerically scaled measures can exhibit gradations in the
Carlo Bagnoli, Halbert C. Smith
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