نتایج جستجو برای: flexible measure

تعداد نتایج: 457371  

2000
Vicenç Torra

Choquet integrals are one of the appropriate methods for fusing numerical information. They aggregate numerical values with respect to a fuzzy measure, a way to represent importance that is an alternative to the weights in a weighted mean. The use of fuzzy measures, although extremely flexible when compared with weighting vectors, presents some difficulties when used in real applications: to de...

2005
Jin Lai Yushun Fan

[Abstracts] Workflow logs that record the execution of business processes offer very valuable data resource for real-time enterprise performance measurement. In this paper, we proposed a novel scheme that uses the technology of data warehouse and OLAP to explore workflow logs and create complex analysis reports for enterprise performance measurement. Three key points of this scheme were studied...

Journal: :The Review of scientific instruments 2012
C Sung A E White J H Irby R Leccacorvi R Vieira C Y Oi W A Peebles X Nguyen

A correlation electron cyclotron emission (CECE) diagnostic has been installed in Alcator C-Mod. In order to measure electron temperature fluctuations, this diagnostic uses a spectral decorrelation technique. Constraints obtained with nonlinear gyrokinetic simulations guided the design of the optical system and receiver. The CECE diagnostic is designed to measure temperature fluctuations which ...

2011
Yuta Hayashibe Mamoru Komachi Yuji Matsumoto

We propose an approach to Japanese predicate argument structure analysis exploiting argument position and type. In particular, we propose the following two methods. First, in order to use information in the sentences in preceding context of the predicate more effectively, we propose an improved similarity measure between argument positions which is more robust than a previous co-reference-based...

Journal: :Entropy 2012
Javier E. Contreras-Reyes Reinaldo Boris Arellano-Valle

The aim of this work is to provide the tools to compute the well-known Kullback–Leibler divergence measure for the flexible family of multivariate skew-normal distributions. In particular, we use the Jeffreys divergence measure to compare the multivariate normal distribution with the skew-multivariate normal distribution, showing that this is equivalent to comparing univariate versions of these...

2008
Ethan Anderes Marc Coram

We investigate the problem of estimating a smooth invertible transformation f when observing independent samples X1, . . . , Xn ∼ P ◦ f where P is a known measure. We focus on the two dimensional case where P and f are defined on R. We present a flexible class of smooth invertible transformations in two dimensions with variational equations for optimizing over the classes, then study the proble...

2006
Robert C. Goetz

Specifically, a flight program to measure atmospheric turbulence at high altitudes (long wavelengths) in a variety of meteorological conditions is described and some results obtained in high-altitude wind shear are discussed. Results are also presented from wind-tunnel test programs to measure fluctuating pressures associated with over-the-wing engine configurations. Two analyses, a flexible ai...

Journal: :Intell. Data Anal. 2008
Toon Calders Nele Dexters Bart Goethals

We study the problem of finding frequent items in a continuous stream of itemsets. A new frequency measure is introduced, based on a flexible window length. For a given item, its current frequency in the stream is defined as the maximal frequency over all windows from any point in the past until the current state. We study the properties of the new measure, and propose an incremental algorithm ...

2012
Núria Ferrer-Anglada Jordi Pérez-Puigdemont Jordi Figueras Muhammad Zahir Iqbal Siegmar Roth

We prepare thin single-walled carbon nanotube networks on a transparent and flexible substrate with different densities, using a very simple spray method. We measure the electric impedance at different frequencies Z(f) in the frequency range of 40 Hz to 20 GHz using two different methods: a two-probe method in the range up to 110 MHz and a coaxial (Corbino) method in the range of 10 MHz to 20 G...

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