نتایج جستجو برای: ordered weighted averaging

تعداد نتایج: 170391  

Journal: :Computers & Geosciences 2008
Soheil Boroushaki Jacek Malczewski

This paper focuses on the integration of GIS and an extension of the analytical hierarchy process (AHP) using quantifier-guided ordered weighted averaging (OWA) procedure. AHP_OWA is a multicriteria combination operator. The nature of the AHP_OWA depends on some parameters, which are expressed by means of fuzzy linguistic quantifiers. By changing the linguistic terms, AHP_OWA can generate a wid...

Journal: :Journal of Geographical Systems 2005
Jacek Malczewski Claus Rinner

Commonly used GIS combination operators such as Boolean conjunction/disjunction and weighted linear combination can be generalized to the ordered weighted averaging (OWA) family of operators. This multicriteria evaluation method allows decision-makers to define a decision strategy on a continuum between pessimistic and optimistic strategies. Recently, OWA has been introduced to GIS-based decisi...

2008
Fabricio Macià

In this article we study limits of Wigner distributions (the so-called semiclassical measures) corresponding to sequences of solutions to the free Schrödinger equation on a Riemannian manifold (or equivalently, to sequences of solutions to the semiclassical Schrödinger equation at times of the order of 1/h, the inverse of the semiclassical parameter h). Some general results are presented, among...

Journal: :Int. J. Intell. Syst. 2014
Ali Emrouznejad Marianna Marra

This study surveys the Ordered Weighted Averaging (OWA) operator literature using a citation network analysis. The main goals are the historical reconstruction of scientific development of the OWA field, the identification of the dominant direction of knowledge accumulation that emerged since the publication of the first OWA paper and to discover the most active lines of research. The results s...

2017
Qingtao Tang Tao Dai Li Niu Yisen Wang Shu-Tao Xia Jianfei Cai

Most existing survey aggregation methods assume that the sample data follow Gaussian distribution. However, these methods are sensitive to outliers, due to the thin-tailed property of Gaussian distribution. To address this issue, we propose a robust survey aggregation method based on Student-t distribution and sparse representation. Specifically, we assume that the samples follow Student-t dist...

2007
Wlodzimierz Ogryczak Tomasz Sliwinski

The problem of averaging outcomes under several scenarios to form overall objective functions is of considerable importance in decision support under uncertainty. The fuzzy operator defined as the so-called Weighted OWA (WOWA) aggregation offers a well-suited approach to this problem. The WOWA aggregation, similar to the classical ordered weighted averaging (OWA), uses the preferential weights ...

2010
Wlodzimierz Ogryczak Tomasz Sliwinski

The problem of aggregating multiple numerical attributes to form overall measure is of considerable importance in many disciplines. The ordered weighted averaging (OWA) aggregation, introduced by Yager, uses the weights assigned to the ordered values rather than to the specific attributes. This allows one to model various aggregation preferences, preserving simultaneously the impartiality (neut...

2016
Levi C. Davis Tim Curran

DTW Barycenter Averaging (DBA) has proven to be a useful tool for calculating consensus sequences, but it has not yet been applied to real electroencephalography (EEG) data. This study tests DBA on real EEG sequences using the modification proposed by Kotas et al. (2015), and proposes several further modifications to the initial sequence selection process to improve the method’s efficacy for EE...

Journal: :Int. J. Intell. Syst. 2004
María Teresa Lamata

Multiattribute decision making is an important part of the decision process for both individual and group problems. We incorporate the fuzzy set theory and the basic nature of subjectivity due to ambiguity to achieve a flexible decision approach suitable for uncertain and fuzzy environments. Let us consider the analytic hierarchy process (AHP) in which the labels are structured as fuzzy numbers...

Journal: :CoRR 2016
Antonio Diego Silva Farias Valdigleis S. Costa Luiz Ranyer de Araújo Lopes Benjamín R. C. Bedregal Regivan H. N. Santiago

In this paper we propose a special type of aggregation function which generalizes the notion of Ordered Weighted Averaging Function OWA. The resulting functions are called Dynamic Ordered Weighted Averaging Functions — DYOWAs. This generalization will be developed in such way that the weight vectors are variables depending on the input vector. Particularly, this operators generalize the aggrega...

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