Increasing attention to higher education policies in the knowledge-based society makes important to understand the relationship between socio-economic family characteristics and educational choices. This paper considers the decision to go to college in Argentina as a family's economic decision. The…

The aim of this work is to relate two apparently independent concepts as belief revision and relevance. We propose a formal characterization for the notion of (ir)relevance by means of a set of postulates. Then we define (ir)relevance using change…

James Reinders (Chief Evangelist of Intel® Software at Intel) and Jim Jeffers (Principal Engineer at Intel)
have gathered in this book the working knowledge of the people involved to prototype and productize the Intel® Xeon Phi coprocessor. This include…

To find a good termination criterion for genetic algorithms is a difficult and frequently ignored task. In most instances the practitioner stops the algorittm after a predefined number of generations or function evaluations. How this number is established? This stop…

The development of isolated agents involves the manipulation of components such as actions, mental attitudes and decisions. Multi-agent systems have to deal with these components from different agents, without to forget the privacy and autonomy of each agent. For programming…

The paper presents a case study illustrating a collaborative problem solving process in Virtual Communities of Practice. The process relies on the existence of an underlying shared knowledge base – a repository of resources, and is carried out collaboratively by…

En este trabajo, escrito como un ensayo se persigue explicar la teoría desarrollada por Michel de Certeau, la cual envuelve el problema de la historia y las posibilidades de conocimiento con fundamento en el concepto de “verdad” y creencia. La…

Los virus herpes bovino 1 y 5 (BHV-1 y 5) afectan naturalmente al bovino,
especie en la que provocan diversas manifestaciones clínicas: rinotraqueítis, vulvovaginitis pustular infecciosa (IPV), balanopostitis (IPB), conjuntivitis, aborto y encefalitis. La
distribución de la infección es mundial,…

Background: Fieldwork has thoroughly established that most eggs are intensely predated. Among the few exceptions are the aerial egg clutches from the aquatic snail Pomacea canaliculata which have virtually no predators. Its defenses are advertised by the pigmented ovorubin perivitellin…

Desde la Física se han hecho numerosas contribuciones a la prevención de las enfermedades y
a la salud humanas. Con técnicas de avanzada científicos europeos y estadounidenses nos sorprenden día a
día con los resultados de sus investigaciones. Mucho menos…