Results 31 to 40 of about 2,889,825 (317)

Climate change, household vulnerability and smart agriculture: The case of two South African provinces

open access: yesJàmbá, 2016
The impact of climate-change disasters poses significant challenges for South Africa, especially for vulnerable rural households. In South Africa, the impact of climate change at the local level, especially in rural areas, is not well known.
Mkhululi Ncube   +8 more
doaj   +1 more source

Métodos Mixtos para el Análisis de Redes Sociales

open access: yesREDES: Revista Hispana para el Análisis de Redes Sociales, 2023
Las decisiones metodológicas que se toman a lo largo de cualquier investigación influyen en los resultados y sus conclusiones. Esto implica también que el enfoque desde donde se construye es relevante a la hora de discutir ideas que puedan tener ...
Francisca Ortiz Ruiz
doaj   +1 more source

Modelos estocásticos orientados en el actor utilizando RSiena (I)

open access: yesREDES: Revista Hispana para el Análisis de Redes Sociales, 2022
Este texto es el primero de una serie de seis guiones escritos en el lenguaje y ambiente de programación R que conjuntamente constituyen la introducción al software RSiena para estimar modelos estocásticos orientados en el actor para redes dinámicas.
Alejandro Espinosa-Rada
doaj   +1 more source

Cómo usar QCA y SNA desde los métodos mixtos: una ilustración usando las redes de soporte en jubilados

open access: yesREDES: Revista Hispana para el Análisis de Redes Sociales, 2021
En este artículo se propone el uso combinado del Análisis Comparado Cualitativo (Qualitative Comparative Analysis – QCA) y el Análisis de Redes Sociales (SNA) cómo estrategia metodológica para la investigación.
Francisca José Ortiz-Ruiz
doaj   +1 more source

Modelos estocásticos orientados en el actor utilizando RSiena (II)

open access: yesREDES: Revista Hispana para el Análisis de Redes Sociales, 2022
Este texto es el segundo de una serie de seis guiones escritos en el lenguaje y ambiente de programación R que conjuntamente constituyen la introducción al software RSiena para estimar modelos estocásticos orientados en el actor para redes dinámicas.
Alejandro Espinosa-Rada
doaj   +1 more source

A Network Analysis of Retracted Citations by Iranian Computer Scientists [PDF]

open access: yesInternational Journal of Web Research
Retracted publications continue to influence scholarship long after withdrawal. This study assembles a curated set of 169 Iran-affiliated retractions in computer science, data science, and electrical engineering from 2008 to 2024, links them to citing ...
Parsa Zahedi, Sadegh Sulaimany
doaj   +1 more source

Dealing With Sparse Rewards Using Graph Neural Networks

open access: yesIEEE Access, 2023
Deep reinforcement learning in partially observable environments is a difficult task in itself and can be further complicated by a sparse reward signal.
Matvey Gerasyov, Ilya Makarov
doaj   +1 more source

Analysis of Networked Systems [PDF]

open access: yes, 2014
In this chapter fundamental properties of networked control systems are discussed that characterize obstructions to and requirements for the control of interconnections through digital channels. On the one hand, this chapter relates to general problems of the characterization of controllability and observability properties of interconnected systems ...
Colonius, Fritz   +5 more
openaire   +2 more sources

Radical Oxygen Species, Oxidized Low-Density Lipoproteins, and Lectin-like Oxidized Low-Density Lipoprotein Receptor 1: A Vicious Circle in Atherosclerotic Process

open access: yesAntioxidants
Atherosclerosis is a complex condition that involves the accumulation of lipids and subsequent plaque formation in the arterial intima. There are various stimuli, cellular receptors, and pathways involved in this process, but oxidative modifications of ...
Marco Munno   +5 more
doaj   +1 more source

Decision analysis networks [PDF]

open access: yesInternational Journal of Approximate Reasoning, 2018
versión ...
Francisco Javier Díez 0001   +2 more
openaire   +2 more sources

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