In this work we analyze the problem of knowledge representation in a collaborative multi-agent system where agents can obtain new information from others through communication. Namely, we analyze several approaches of belief revision in multi-agent systems. We will describe different…

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…

Information systems play an ever-increasing key role in our society. In particular, data intensive applications are in constant demand and there is need of computing environments with much more intelligent capabilities than those present in today’s Data-base Management Systems (DBMS).…

Since its inception, the social sciences have tried to legitimate their scientific criteria so that the knowledge generated by social research is deemed valid and reliable. With this objective in mind, a series of techniques, norms, processes, rules and procedures…

O presente artigo teve como objetivo analisar se o projeto-piloto do Curso “Consumo Sustentável / Consumo Responsável: desenvolvimento, cidadania e meio ambiente” atingiu os resultados esperados quando de sua proposição. O curso foi oferecido, em 2005, na modalidade a distância,…

Los farmacéuticos y productos de cuidado personal (PPCPs) pertenecen al grupo contaminantes emergentes, su riego ambiental no se había detectado hasta hace una década. Recientemente, han sido reportados de causar efectos adversos sobre la vida silvestre y humana. Además, la…

El trabajo aborda la problemática ambiental de una zona de riesgo volcánico localizada al sur del paralelo 33°, focalizando la atención en el estudio de cenizas de caída reciente o removilizadas por el viento, cinco meses después del inicio de…

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…

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…

Objetivo: Cuidar selectivamente la salud identificando y georrefenciando la totalidad de la población, y no sólo para aquellos que demandan atención.
Métodos: Un total de 48 800 habitantes de Ensenada, Buenos Aires-Argentina fueron censados en aspectos socio-económico-sanitarios y sus datos…