نتایج جستجو برای: nugget diameter

تعداد نتایج: 112696  

2016
Taneeya Satyapanich Tim Finin

This paper described our Event Nugget Detection system that we submitted to the TAC KBP 2016 Event Track. We sent out two runs; UMBC1 and UMBC2. UMBC1 is a sentencelevel classification system based on Convolution Neural Network and applied the probability to select a word as an event nugget. UMBC2 is the classification model trained from our features using Weka and filtered out low confidence p...

Journal: :Computational Statistics & Data Analysis 2012
Ioannis Andrianakis Peter Challenor

The effect of a Gaussian process parameter known as the nugget, on the development of computer model emulators is investigated. The presence of the nugget results in an emulator that does not interpolate the data and attaches a non-zero uncertainty bound around them. The limits of this approximation are investigated theoretically, and it is shown that they can be as large as those of a least sq...

Journal: :Journal of The Royal Statistical Society Series B-statistical Methodology 2021

Abstract Spatial process models popular in geostatistics often represent the observed data as sum of a smooth underlying and white noise. The variation noise is attributed to measurement error, or microscale variability, called ‘nugget’. We formally establish results on identifiability consistency nugget spatial based upon Gaussian within framework in-fill asymptotics, that sample size increase...

2003
Beatriz de la Iglesia Mark S. Philpott Anthony Vic J. Rayward-Smith

In data mining, nugget discovery is the discovery of interesting classification rules that apply to a target class. In previous research, heuristic methods (Genetic algorithms, Simulated Annealing and Tabu Search) have been used to optimise a single measure of interest. This paper proposes the use of multiobjective optimisation evolutionary algorithms to allow the user to interactively select a...

2006
Gregory Marton Alexey Radul

The TREC Definition and Relationship questions are evaluated on the basis of information nuggets that may be contained in system responses. Human evaluators provide informal descriptions of each nugget, and judgements (assignments of nuggets to responses) for each response submitted by participants. While human evaluation is the most accurate way to compare systems, approximate automatic evalua...

2006
D. Booth I. Sinclair

Fatigue failure characteristics of friction stir welds in 13mm gauge 2024-T351 plate have been assessed. Failure occurred from either the weld region (nugget/flow arm) or from the material immediately surrounding the weld. Fatigue failure from the surrounding material was essentially conventional, initiating from large S-phase intermetallic particles and growing in a macroscopic mode I manner. ...

Journal: :International Journal of Advances in Applied Sciences 2023

<p><span>The study aims to compare the physical characteristics (water holding capacity and cooking loss) chemical (moisture, protein, fat, ash, carbohydrate content, total calories) of Chitofudregs nugget with commercial nuggets. Four categories nuggets which are <a name="_Hlk134429573"></a>Fiesta, So Good, Nugget Curah, (FT, SG, NC, Chitofudregs) were determined as tre...

Journal: :Remote Sensing 2012
Christian Nansen

A detailed introduction to variogram analysis of reflectance data is provided, and variogram parameters (nugget, sill, and range values) were examined as possible indicators of abiotic (irrigation regime) and biotic (spider mite infestation) stressors. Reflectance data was acquired from 2 maize hybrids (Zea mays L.) at multiple time points in 2 data sets (229 hyperspectral images), and data fro...

1999
J. W. van Groenigen

Ž . Using spatial simulated annealing SSA , spatial sampling schemes can be optimised for minimal kriging variance. Two optimisation criteria are presented in this paper. The first criterion minimises the average kriging variance, the second the maximum kriging variance. In a simple case with 23 observations, performances of a sampling scheme obtained with SSA were compared with performances of...

2017
He Peng Daolun Chen Xianquan Jiang

The aim of this study is to evaluate the microstructures, tensile lap shear strength, and fatigue resistance of 6022-T43 aluminum alloy joints welded via a solid-state welding technique-ultrasonic spot welding (USW)-at different energy levels. An ultra-fine necklace-like equiaxed grain structure is observed along the weld line due to the occurrence of dynamic crystallization, with smaller grain...

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