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…

Para facilitar la gestión de revistas, su publicación y difusión en línea la UNLP ha creado el proyecto denominado Portal de Revistas de la UNLP.
El portal sirve a revistas existentes que no cuentan con una versión digital, a…

In this paper, we present a new model of an artificial
immune system (AIS), based on the process
that suffers the T-Cell, it is called T-Cell
Model. It is used for solving constrained (numerical)
optimization problems. The model operates
on…

El traspaso de la Modernidad a la Modernidad tardía ha supuesto sustanciales cambios en la economía y en la sociedad toda, que se han traducido en el traspaso de una sociedad incluyente a otra excluyente. Paralelamente, en el ámbito criminológico,…

Leopoldo Alas, "Clarín", acude con frecuencia a los clásicos grecolatinos, no pocas veces con intención irónica o crítica, demostrando la ignorancia o mal uso de la tradición grecorromana en su época. Examino algunos aspectos de esa tradición en La Regenta…

This paper aims to clarify an economic mechanism behind the growing dichotomy between geo-economics and the borderless global knowledge economy. The proposed hypothesis is that geo-economic fault-lines, which are the product of the past prejudices of racial, linguistic, and cultural…

Nowadays, data intensive applications are in constant demand and there is need of computing environments with better intelligent capabilities than those present in today's Database Management Systems (DBMS). To build such systems we need formalisms that can perform complicate inferences,…

The general objective of this thesis is the development of an adaptive technique for extracting knowledge in large databases. Nowadays, technology allows storing huge volumes of information. For this reason, the availability of techniques that allow, as a first stage,…

Se evaluó el nivel de conocimiento y desempeño de Buenas Practicas Clínicas de los investigadores participantes en ensayos clínicos en ejecución en 5 centros asistenciales, desde febrero a abril de
2006. El nivel de conocimiento se evaluó mediante una encuesta,…

The aim of this paper is to describe and discuss some results from an ethnographic research on Argentinian Mbya communities focused on representations and practices related to childrearing and development during the first stages of life course.
Firstly, I describe…