نتایج جستجو برای: index weighting
تعداد نتایج: 414866 فیلتر نتایج به سال:
Background and aims: Crashes and its related human and financial losses have been turned to be one of the challenges of human societies so that road death statistics shows a high number of 219172 in Iran from 2005 to 2014. Methods: In this research, using global and valid Road Safety Development Index (RSDI) that illustrates general roads safety condition and consists of nine effective par...
The context-tree weighting algorithm [4] is a universal source coding algorithm for binary tree sources. In [2] the algorithm is modified for byte-oriented tree sources. This paper describes the context-tree branch-weighting algorithm, which can reduce the number of parameters for such sources, without increasing the complexity significantly.
The Asymmetric Impact of Weighting Economic and Political Events on the Fluctuations Banking Group Index (Case Tehran Stock Exchange)
The use of frequency-weighted performance indices in linear quadratic (LQ) optimal control has been the subject of recent r e ~ e a c h ' ~ . The primary motivation for frequency-weighting is the possibility of enhancing the robustness of LQ designs in critical frequency bands. A preliminary study3 of the case where high frequencies in the control are weighted more heavily has shown that the op...
Various approaches to index term-weighting have been investigated. In fact, term-weighting is an indispensable process for document ranking in most retrieval systems. As well actual information retrieval systems have to deal with explosive growth of documents of various sizes and terms of various frequencies because an appropriate term-weighting scheme has a crucial impact on the overall perfor...
Introduction: To evaluate heat stress in the workplace different indices are used. But, none of these measures have been widely accepted. The aim of this study was to determine effective criteria in selecting a heat stress index and weighting of these criteria. Material and Method: This study is a qualitative study that was designed and conducted within 10 stages. In the current study, effe...
Background and Objective: Rainfall and groundwater level are important parameters of DRASTIC index, thus their time-series were examined using time series analysis for Mahidasht plain vulnerability in Kermanshah Province. Materials and Methods: DRASTIC model is a quantitative model that seven parameters for transfer of pollution are considered including depth of water table, net recharge, aqui...
The present article deals with a theoretical analysis of our earlier investigation [1] where we developed a neuro-fuzzy model for feature evaluation. This includes derivation of a fixed upper bound and a varying lower bound of the feature evaluation index. The monotonic increasing behavior of the feature evaluation index with respect to the lower bound is established. A relation of the evaluati...
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