Národní úložiště šedé literatury Nalezeno 6 záznamů.  Hledání trvalo 0.00 vteřin. 
Envelopes of a simplex of discrete probabilities
Kříž, Otakar
A formalism for describing different envelopes of a family P of probability distributions on finite sets in suggested. It incorporates lower and upper probabilities, minimal entropy extensions etc. Properties of a simple heuristical algorithm for finding lower and upper probabilities for a simplex P[K] of distributions with fixed marginals K are discussed.
Construction of multidimensional models by operators of composition: Curent state of art
Jiroušek, Radim ; Vejnarová, Jiřina
This is a survey paper summarizing some of the main results that have been achieved during the last years in connection with development of an alternative approach to multidimensional distribution description. This approach is based on special operators of composition.
On the "local exponential projection" approach to the knowledge representation problem
Janžura, Martin
The problem of knowledge representation (integration) is addressed. The aim of the proposed approach consists in representing the knowledge basis by a curved exponential distribution with parameters that can be unambiguously identified. Moreover, the procedure is numerically feasible.
On the length of semigraphoid inference
Matúš, František
A subset L of a semigraphoid K over n elements is constructed in such a way that starting from L it is necessary to apply semigraphoid axioms recursively 2
Associativity in Combination of Belief Functions
Daniel, Milan
The nature of a contradiction (conflict) between two belief functions is investigated. Alternative ways of distribution of the contradiction among nonempty subsets of frame of discernment are studied. A new approach to understanding of the contradiction is used and an original notion of a potential contradiction is introduced. A new way of an associative combination of generalized belief functions is presented. A way of its proportionalization is suggested as well.
Towards Possibilistic Belief Functions
Kramosil, Ivan
The elementary notions and relations of the so called Dempster-Shafer theory, introducing belief functions as the basic numerical characterictic of uncertainly, are modified to the case when probabilistic measures and basic probability assignments are substituted by possibilistic measures and basic possibilistic assignments.

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