نتایج جستجو برای: shafer equations. finally

تعداد نتایج: 634776  

Journal: :اکو هیدرولوژی 0
کاظم صابر چناری دانشجوی دکتری مهندسی آبخیزداری، دانشکدۀ مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان عبدالرضا بهره مند دانشیار گروه مهندسی آبخیزداری، دانشکدۀ مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان واحد بردی شیخ دانشیار گروه مهندسی آبخیزداری، دانشکدۀ مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان چوقی بایرام کمکی استادیار گروه مدیریت مناطق بیابانی، دانشکدۀ مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

the goal of this research is gully erosion hazard zoning by using dempster-shafer theory for the garnaveh watershed (golestan province). for this purpose, at first a gully erosion inventory map with the scale of 1:200000 (dependent variable) for the gharnaveh watershed has been prepared using multiple field surveys and satellite pictures. from total gullies 70% of them have randomly selected fo...

Abstract Dempster Shafer theory is the most important method of reviewing uncertainty for information system. This theory as introduced by Dempster using the concept of upper and lower probabilities extended later by Shafer. Another important application of entropy as a basic concept in the information theory  can be used as a uncertainty measurement of the system in specific situation In th...

2007
Milan Daniel

This contribution deals with a belief processing which enables managing of multiple and overlapping elements of a frame of discernment. An outline of the Dempster-Shafer theory for such cases is presented, including several types of constraints for simplification of its large computational complexity. DSmT — a new theory rapidly developing the last five years — is briefly introduced. Finally, i...

1999
Jürg Kohlas Prakash P. Shenoy

Many different formalisms for treating uncertainty or, more generally, information and knowledge, have a common underlying algebraic structure. The essential algebraic operations are combination, which corresponds to aggregation of knowledge, and marginalization, which corresponds to focusing of knowledge. This structure is called a valuation algebra. Besides managing uncertainty in expert syst...

Journal: :CoRR 2001
Johan Schubert

In this paper we develop methods for selection of templates and use these templates to recluster an already performed Dempster-Shafer clustering taking into account intelligence to template fit during the reclustering phase. By this process the risk of erroneous force aggregation based on some misplace pieces of evidence from the first clustering process is greatly reduced. Finally, a more reli...

2012
José M. Merigó Montserrat Casanovas

We study the problem of decision making with Dempster-Shafer belief structure. We analyze the previous work developed by Yager about using the ordered weighted averaging (OWA) operator in the aggregation of the Dempster-Shafer decision process. We discuss the possibility of aggregating with an ascending order in the OWA operator for the cases where the smallest value is the best result. We sugg...

2017
Ningning Liu Kai Wang Xin Jin Boyang Gao Emmanuel Dellandréa Liming Chen

Affective analysis of images in social networks has drawn much attention, and the texts surrounding images are proven to provide valuable semantic meanings about image content, which can hardly be represented by low-level visual features. In this paper, we propose a novel approach for visual affective classification (VAC) task. This approach combines visual representations along with novel text...

2017
Deyun Zhou Yongchuan Tang Wen Jiang

How to quantify the uncertain information in the framework of Dempster-Shafer evidence theory is still an open issue. Quite a few uncertainty measures have been proposed in Dempster-Shafer framework, however, the existing studies mainly focus on the mass function itself, the available information represented by the scale of the frame of discernment (FOD) in the body of evidence is ignored. With...

2016
Xin Wang Ying Wang Hongbin Sun

In social media, trust and distrust among users are important factors in helping users make decisions, dissect information, and receive recommendations. However, the sparsity and imbalance of social relations bring great difficulties and challenges in predicting trust and distrust. Meanwhile, there are numerous inducing factors to determine trust and distrust relations. The relationship among i...

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