Results 131 to 140 of about 882,438 (245)

Investigation of classification of support vector machine on the estimation of the deciduous broad-leaved forests area in the north of Iran

open access: yesTemas Agrarios
During the last decades, Caspian forests have been attacked by human interference. Easy access, abundance and diversity of valuable forest products have led to the increase in population density, the creation of new residential areas and the activity of ...
Mohammadreza Tabesh   +4 more
doaj   +1 more source

Desde Jaca a la peña Oroel y a San Juan de la Peña , a través del patrimonio geológico y minero de la comarca de la Jacetánia [PDF]

open access: yes, 2013
El recorrido de este itinerario, se desarrollará por una de las tres unidades geológicas que constituyen el suelo y el subsuelo de Aragón. Concretamente por el Sistema Pirenaico, Cordillera Pirenaica o simplemente Pirineos; discurriendo íntegramente por ...
Mata Perelló, Josep Maria   +1 more
core   +1 more source

Causal analysis of extreme risk in a network of industry portfolios

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract We provide a detailed review of causal dependence within the framework of max‐linear structural models. Such models express each node variable as a max‐linear function of its parental node variables in a directed acyclic graph (DAG) and some exogenous innovation.
Claudia Klüppelberg, Mario Krali
wiley   +1 more source

La Constitución iraní: un círculo vicioso [PDF]

open access: yes, 2004
Irán vuelve a atraer la atención internacional dada la proximidad de las elecciones generales del 20 de febrero y el duro enfrentamiento entre moderados y conservadores.
Farzamnia, Nadereh
core  

Family's socioeconomic and demographic factors on elements of children's dental and oral health: A scoping review

open access: yesClinical and Experimental Dental Research, EarlyView.
Abstract Background Family plays a significant role in children's dental and oral health (DOH) elements, such as children's DOH knowledge and practice, the development of children's dental fear and anxiety (DFA), children's dental visits, and children's DOH status.
Wisnu Fadila   +5 more
wiley   +1 more source

Argentina e Irán entre 1989 y 1999: Entre las sobras de los atentados terroristas y el cambio de política exterior argentina

open access: yesAraucaria, 2012
Las relaciones argentino-iraníes se encuentran, a nivel político, en el punto más bajo de su historia. Suele afirmarse que tal situación es la relación directa de los atentados terroristas ocurridos en Buenos Aires en 1992 y 1994 donde las autoridades ...
Paulo Botta
doaj  

Bibliometric Analysis of Technological Innovation in Renewable Energy in the Transport and Logistics Sector

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study conducts a comprehensive bibliometric analysis of technological innovation in renewable energy for the transport and logistics sector from 1996 to 2024. Using the Web of Science database, we identify three main research phases and map key collaboration networks and technological trends.
Yui‐yip Lau   +4 more
wiley   +1 more source

La Guerra Civil en Siria y el Programa Nuclear Iraní: dos cuestiones fundamentales en el Medio Oriente

open access: yesAraucaria, 2013
En el siguiente artículo abordaremos dos grandes conflictos que se desarrollan en el Medio Oriente estrechamente relacionados entre sí. En primer lugar, haremos referencia a las características geopolíticas de la región y luego al interés de Irán de ...
Atilio Molteni
doaj  

Bridging Theory and Prediction: A Hybrid SEM and Machine Learning Approach to Optimize Lean Construction for Megaproject Sustainability in China

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Construction megaprojects, large‐scale, complex, and capital‐intensive, are particularly prone to inefficiencies, cost overruns, delays, and environmental degradation due to fragmented workflows, stakeholder misalignment, and resource intensity.
Abdelazim Ibrahim   +5 more
wiley   +1 more source

Does ESG Performance Reduce Default Risk in Insurance Firms? Evidence From Life and Non‐Life Sectors

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines whether environmental, social, and governance performance is associated with lower default risk in European insurance firms, and whether the strength of this association differs between life and non‐life business models.
S. Miani, M. Mantovani, E. Palmieri
wiley   +1 more source

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