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198.574  Articles
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The study offers a short geographical overview of migration studies and theories, doing so in the context of the European migration crisis of 2015–2016. It outlines the history of international migrations affecting Europe (immigration, emigration, migrati... see more

The study offers a short geographical overview of migration studies and theories, doing so in the context of the European migration crisis of 2015–2016. It outlines the history of international migrations affecting Europe (immigration, emigration, migrati... see more

Erdheim-Chester's disease is a rare multisystem xanthogranulomatosis, afflicting the skeletal system with the occasional involvement of soft tissues. We delineate an unusual case of a cardiac variant of Erdheim-Chester's disease presenting with pericardia... see more

Millennial scale warm-cold oscillations in air temperature over Greenland and rapid sea surface temperature changes were recorded in ice cores and North Atlantic sediments for the last glaciation. These events must have been associated with profound envir... see more

Intensive mechanical soil cultivation and herbicide treatment was often the preferred technology in vineyards in the second half of the 20th century. In the last decades we increasingly experienced the disadvantages of these suboptimal technologies: soil ... see more

The iPad is a very popular touchscreen tablet computer, which was introduced approximately two, two and a half years ago. It runs the MAC operating system making it suitable for different general and special uses. The paper focuses on the fact how the use... see more

In this paper the issue of bias-variance trade-off in building and operating Moodle Machine Learning (ML) models are discussed to avoid traps of get-ting unreliable predictions. Moodle is one of the world’s most popular open source Learning Management Sys... see more

RESUMENEl sector hotelero es considerado la rama más significativa de la actividad turística, debido a su capacidad para proveer ingresos y satisfacer las necesidades de los huéspedes. No obstante, es por demás criticado por hacer uso irracional de los re... see more

RESUMENEl sector hotelero es considerado la rama más significativa de la actividad turística, debido a su capacidad para proveer ingresos y satisfacer las necesidades de los huéspedes. No obstante, es por demás criticado por hacer uso irracional de los re... see more

1 of 19.858 pages  |  10  records  |  more records»