En un entorno laboral caracterizado por la guerra por la retención de talentos, conocer los valores, las actitudes y las expectativas de las distintas cohortes generacionales resulta nuclear para las organizaciones. Trabajos previos confirman la alta valoración del balance trabajo-familia…

La importancia de las empresas de la construcción, radica en que éstas se
encargan de transformar materiales, en productos de gran valor agregado
desde la óptica social y económica, lo cual requiere conocimientos, destrezas,
tecnologías y múltiples recursos. Normalmente las…

This study aimed to investigate meanings produced by workers excluded from the industrial job market regarding unemployment, having focused on the understanding of the socially articulated relationship between industrial and labor restructuring, meanings of unemployment and subjectivity. We grounded
our…

In the information age, knowledge leads to profits, power and success. As an ancestor of data mining, machine learning has concerned itself with discovery of new knowledge on its own. This paper presents experiment results produced by genetic algorithms in…

Los hidrocarburos aromáticos policíclicos (HAP’s) son compuestos claves en la determinación de la contaminación petrolera. Muchos de ellos son tóxicos y cancerígenos para los organismos vivos. En los ecosistemas acuáticos los HAP’s se incorporan a la biota del entorno y…

Humans have always been intrigued by their ability to reason. We have constantly attempted to emulate this process, trying almost everything, from physiological explanations, to sociological accounts. The approach with possibly the longest tradition conceives this process as a mere…

In this paper a methodology for accesing scientific data repositories on data grids is proposed. This methodology is based on ontology specification and knowledge representation. The concept of Knowledge Perspective is introduced, as the action of applying particular scientific conjectures…

The extension to new languages is a well known bottleneck for rule-based systems. Considerable human effort, which typically consists in re-writing from scratch huge amounts of rules, is in fact required to transfer the knowledge available to the system from…

The development of systems with the ability to reason about change notion and actions has been of great importance for the artificial intelligence community. The definition and implementation of systems capable of managing defeasible, incomplete, unreliable, or uncertain information has…

The occurrence of deoxynivalenol (DON) was evaluated in 113 wheat samples from the northern and central/ southwestern regions of Paraná State, Brazil during the 2008 and 2009 growing seasons, and this rate of occurrence was used to estimate the DON…