Results 81 to 90 of about 570,158 (234)

Análise das plataformas e-learning em uso nas instituições do ensino superior em Portugal [PDF]

open access: yes, 2005
Citação bibliográfica: Pinheiro, Ana & SILVA, Bento (2005). Análise das plataformas e-learning em uso nas instituições do ensino superior em Portugal.
Pinheiro, Ana Cristina Dias   +1 more
core  

POR UNA PARTICIPACIÓN PLURAL EN LA ESCENA COMUNICACIONAL El desafío de nuevas regulaciones para las grandes plataformas

open access: yesAvatares de la Comunicación y la Cultura, 2021
El 29 de julio del año 2020 los CEOs de las principales empresas de tecnología: Google, Amazon, Facebook y Apple (G.A.F.A), fueron citados a declarar frente al Comité Judicial de la Cámara de Representantes del Congreso de Estados Unidos.
Leandro Soto
doaj  

Landscape features predict broad‐scale seed rain patterns across fragments of the Brazilian Atlantic Forest

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
Along with precipitation, forest cover emerges as a fundamental driver of alpha and beta diversity in the seed rain. This highlights the role of habitat amount at the landscape level over patch‐level features, like patch size, for seed dispersal. However, increased seed density can be related to higher dispersal rates in forest borders.
Luís Felipe Daibes   +63 more
wiley   +1 more source

Interfaces dinámicas en dispositivos móviles

open access: yesPublicaciones en Ciencias y Tecnología, 2008
En los últimos años se ha incrementado el uso de dispositivos móviles, los teléfonos celulares por ejemplo, han dejado de ser sólo instrumentos de transmisión de voz para convertirse en aparatos capaces de procesar y transmitir información. El desarrollo
Rodolfo Canelón   +2 more
doaj  

BIEN: A biodiversity informatics ecosystem advancing open and reproducible workflows for plant observation, plot and trait data

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 5, Page 1556-1584, May 2026.
Abstract The rapid expansion of biodiversity data presents new opportunities to understand and forecast biosphere dynamics. However, disparate and dispersed data, taxonomic and geographic inconsistencies, pervasive quality issues, and a lack of reproducable workflows hinder synthesis, introduce biases and limit accurate assessment of biodiversity ...
Brian J. Enquist   +38 more
wiley   +1 more source

As plataformas de aprendizagem nas conferências Challenges [PDF]

open access: yes, 2011
Este texto apresenta os principais resultados decorrentes da análise das actas dos eventos Challenges dos anos de 2003, 2005, 2007 e 2009 no sentido de identificar os trabalhos com foco na utilização de ambientes virtuais de aprendizagem.
Duarte, Joaquim Alberto Marques   +1 more
core  

A new architecture of solidarity: The Global Alliance Against Hunger and Poverty in an age of weakened multilateralism

open access: yesDevelopment Policy Review, Volume 44, Issue 3, May 2026.
Abstract Motivation The persistence of hunger and poverty amid deepening global inequality and declining multilateral cooperation underscores the need for new models of international solidarity. The Global Alliance Against Hunger and Poverty, launched during Brazil's presidency of the G20 in 2024, represents a significant innovation in global ...
Thiago Lima, Adriana Erthal Abdenur
wiley   +1 more source

Gestão invisível do trabalho orientado à visibilidade: Governança por plataformas de mídia social

open access: yesRAE: Revista de Administração de Empresas
Plataformas de mídia social (PMS) são espaços mediados tecnologicamente que sobrevivem da coleta e venda de dados de usuários. Os usuários, e não as plataformas, criam o conteúdo que atrai públicos e anunciantes.
Liana Haygert Pithan   +1 more
doaj   +1 more source

Plataformas de enseñanza virtual para entornos educativos [PDF]

open access: yes, 2009
En el presente trabajo se aclara qué se entiende por Plataforma para la Enseñanza Virtual, las herramientas que debe tener para cumplir sus objetivos y se realiza una visión de los tipos de plataformas existentes (comerciales, de software libre y de ...
Sánchez Rodríguez, José
core   +1 more source

Multiscale Approximations to Understand the Complex Role of Microglia in Alzheimer's Disease

open access: yesEuropean Journal of Neuroscience, Volume 63, Issue 9, May 2026.
Microglia are dynamic, context‐dependent regulators of Alzheimer's disease, modulating amyloid, tau, and neurodegeneration across disease stages. Integrating multiscale and human‐focused approaches is essential to translate microglial biology into therapeutic strategies. ABSTRACT Microglia, the resident innate immune cells of the central nervous system,
Patricia Martínez‐Tazo   +9 more
wiley   +1 more source

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