Results 251 to 260 of about 135,667 (297)

Logics with aggregate operators

Proceedings. 14th Symposium on Logic in Computer Science (Cat. No. PR00158), 2001
We study adding aggregate operators, such as summing up elements of a column of a relation, to logics with counting mechanisms. The primary motivation comes from database applications, where aggregate operators are present in all real life query languages.
Lauri Hella, Leonid Libkin, Juha Nurmonen, Limsoon Wong   +3 more
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Aggregation of OWA Operators

IEEE Transactions on Fuzzy Systems, 2018
Inspired by the real needs of group decision problems, aggregation of ordered weighted averaging (OWA) operators is studied and discussed. Our results can be applied for data acting on any real interval, such as the standard scales $[0,1]$ and $[0,\infty [$ , bipolar scales $[-1,1]$ and $\mathbb {R}=]-\infty, \infty [$ , etc.
Radko Mesiar, Ladislav Sipeky, Pankaj Gupta 0001, LeSheng Jin   +3 more
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DIVERGENCE MEASURES AND AGGREGATION OPERATIONS [PDF]

International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 2000
In this paper we study the relations between divergence measures of two fuzzy sets and other well-known functions, namely aggregation operations and measures of fuzziness. We will show that these functions can be related. Therefore, we study some consequences of these properties as an application; indeed, we obtain some special cases of divergence ...
Pedro Miranda 0002, E. Torres, Pedro Gil
openaire   +2 more sources

Aggregation operators with annihilator

International Journal of General Systems, 2005
This paper is devoted to the study of a special kind of aggregation operators: commutative, non-decreasing binary operators F on [0,1] with annihilator and such that F(0,0) = 0 and F(1,1) = 1 . A characterization of this kind of operators is given, including many examples and properties in the general case.
Margarita Mas, Radko Mesiar, Miquel Monserrat, Joan Torrens   +3 more
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Lever aggregation operators

Fuzzy Sets and Systems, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Miguel A. Ballester, Tomasa Calvo
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Uninorm aggregation operators

Fuzzy Sets and Systems, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ronald R. Yager, Alexander N. Rybalov
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Stability in Aggregation Operators

2012
Many properties have been studied in relation with the aggregation operatorfunctions such as continuity, commutativity, monotonicity, associativity. But in contrast, few efforts have been dedicated to research the relations among the members of a family of aggregation operators.
Daniel Gómez 0001, Javier Montero, Juan Tinguaro Rodríguez, Karina Rojas   +3 more
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Aggregation operators on shadowed sets

Information Sciences, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Stefania Boffa, Andrea Campagner, Davide Ciucci   +2 more
exaly   +2 more sources

Double aggregation operators

Fuzzy Sets and Systems, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Tomasa Calvo, Ana Pradera
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Fitting Aggregation Operators

2016
This paper treats the problem of fitting aggregation operators to empirical data. Specifically, we are interested in modelling of the conjunction in human language. To our knowledge, the first attempt to see how humans "interpret" the conjunction for graded properties is due to the paper [1]. In that case, simply the minimum t-norm came out.
Vojtech Havlena, Dana Hlinená
openaire   +1 more source