Defeasible Logic Programming (DeLP) is a suitable tool for knowledge representation and reasoning. Its operational semantics is based on a dialectical analysis where arguments for and against a literal interact in order to determine whether this literal is believed by…

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…

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…

La educación ambiental, ha atravesado en las últimas décadas distintas etapas respecto de sus finalidades, contenidos y modos de interactuar en las aulas. En Buenos Aires, tal proceso de cambio se profundiza con la aprobación de los diseños curriculares en…

O artigo trata da questão da poluição atmosférica e do aquecimento global, fazendo um estudo do Protocolo de Kyoto e questões de natureza ética. Este artigo objetiva relacionar desenvolvimento sustentável, mecanismos de desenvolvimento limpo e mercado de créditos de carbono.…

Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…

Processes of spatial mobility among the Mbya are of interest in anthropological and ethnobiological studies, as these processes are related to transformations in the landscape and the environment. Despite this, ethnographic literature usually focuses itself on the mobility of Guaraní…

Analiza las políticas sanitarias del gobierno de Domingo Alfredo Mercante (1946-1952) – mano derecha de Juan Domingo Perón – en la provincia de Buenos Aires, Argentina, atendiendo a lo que fue una de sus más instigantes líneas de intervención: la…

This paper presents a proposal for an architecture that integrates knowledge discovery systems (automatic acquisition) and knowledge based systems (experts systems). This work formulates considerations over the viability of the implementation of this architecture according to the advance of the…

A fuzzy controller is usually designed by formulating the knowledge of a human expert into a set of linguistic variables and fuzzy rules. As it is well known, the use of prior knowledge can dramatically improve the performance and quality…