نتایج جستجو برای: weighted averaging

تعداد نتایج: 121141  

Journal: :iranian journal of fuzzy systems 0
hua wu key laboratory of ultrafast photoelectric diagnostics technology, xi'an institute of optics and precision mechanics of chinese academy of sciences, xi'an, china and university of chinese academy of sciences, beijing, china. xiuqin su key laboratory of ultrafast photoelectric diagnostics technology, xi'an institute of optics and precision mechanics of chinese academy of sciences, xi'an, china

interval-valued intuitionistic fuzzy sets (ivifss) are widely used to handle uncertainty and imprecision in decision making. however, in more complicated environment, it is difficult to express the uncertain information by an ivifs with considering the decision-making preference. hence, this paper proposes a group generalized interval-valued intuitionistic fuzzy soft set (g-givifss) which conta...

2011
Laura Climent Miguel A. Salido Federico Barber

Constraint programming is a successful technology for solving combinatorial problems modeled as constraint satisfaction problems (CSPs). Many real life problems come from uncertain and dynamic environments, which means that the initial description of the problem may change during its execution. In these cases, the solution found for a problem may become invalid. The search of robust solutions f...

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 ...

The importance of the economic aspect of tourism usually overshadow many natural tourism destinations. Fereydounshahr county in Isfahan province, with pristine mountainous landscapes and diverse natural features, has high potential to attract many tourists. However, pristineness over much of its area suggests limiting the public access based on the degree of naturalness. Hence, the aim of this ...

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