Results 31 to 40 of about 18,958 (230)
Online social media provide multiple ways to find interesting content. One important method is highlighting content recommended by user's friends. We examine this process on one such site, the news aggregator Digg.
Hogg, Tad, Lerman, Kristina
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The effect of fading, channel inversion, and threshold scheduling on ad hoc networks [PDF]
This paper addresses three issues in the field of ad hoc network capacity: the impact of i)channel fading, ii) channel inversion power control, and iii) threshold-based scheduling on capacity.
Jeffrey G. Andrews +3 more
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Misspecification Tests for Log-Normal and Over-Dispersed Poisson Chain-Ladder Models
Despite the widespread use of chain-ladder models, so far no theory was available to test for model specification. The popular over-dispersed Poisson model assumes that the over-dispersion is common across the data.
Jonas Harnau
doaj +1 more source
Misspecification in Generalized Linear Mixed Models and Its Impact on the Statistical Wald Test
Generalized linear mixed models are commonly used in repeated measurement studies and account for the dependence between observations obtained from the same experimental unit.
Diana Arango-Botero +2 more
doaj +1 more source
Analysis of Regulatory Inhalation Unit Risk Estimates for Cobalt: Comparison to Epidemiological Data. [PDF]
ABSTRACT Several cancer potency estimates have been proposed by regulatory agencies to characterize the dose response of cobalt and/or cobalt compounds. The objective of this research is to investigate whether these proposed cancer potency estimates for certain cobalt substances align with the available epidemiology literature.
Marshall LP +4 more
europepmc +2 more sources
Este trabajo analiza la productividad científica de los autores que han publicado documentos en cuatro revistas de ciencia de la información editadas en Colombia desde 1978 a 2009.
Cristina Restrepo Arango +1 more
doaj +1 more source
The aim of this paper is to introduce dependence between the claim frequency and the average severity of a policyholder or of an insurance portfolio using a bivariate Sarmanov distribution, that allows to join variables of different types and with ...
Ramon Alemany +3 more
doaj +1 more source
Modeling the emergence of modular leadership hierarchy during the collective motion of herds made of harems [PDF]
Gregarious animals need to make collective decisions in order to keep their cohesiveness. Several species of them live in multilevel societies, and form herds composed of smaller communities.
Ozogány, Katalin, Vicsek, Tamás
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The Turbulence Spectrum of Molecular Clouds in the Galactic Ring Survey: A Density-Dependent PCA Calibration [PDF]
Turbulence plays a major role in the formation and evolution of molecular clouds. The problem is that turbulent velocities are convolved with the density of an observed region.
Brunt, Christopher +5 more
core +2 more sources
Relative risk of gastrointestinal cancers in Isfahan County, Iran, 2005–2010
Background: Spatial disease mapping is a widespread tool in ecological analysis to obtain accurate estimates for incidence, relative risks (RRs), prevalence, or mortality rates regarding to increase the incidence of gastrointestinal (GI) cancer in ...
Vahid Ahmadipanah +4 more
doaj +1 more source

