In the last few years, several studies have emphasized the use of ontologies as an alternative to organization of the information.
The notion of ontology has become popular in fields such as intelligent information integration, information retrieval on the Internet,…

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…

Decision tree learning algorithms have been successfully used in knowledge discovery. They use induction in order to provide an appropriate classification of objects in terms of their attributes, inferring decision tree rules. This paper reports on the use of ID3…

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…

Este trabajo se centra en las distintas maneras en las cuales un lector–profesor de historia aborda el conocimiento histórico. Esos diferentes modos de abordarlo (informativa, operativa y estratégica) están presentes tanto en el momento de la lectura de los textos…

Este artículo propone el concepto de themata para analizar la forma en que los criterios científicos y políticos fueron articulados en la psicología argentina de 1958 a 1975. En este período el themata ideología/ciencia fue fundamental en el establecimiento del…

The environmental crisis in our contemporary, globalized world, is facing a paradigm: the company now has a major technological development, and is also a society that destroys most in history. All the achievements of our civilization provide various negative factors,…

Current reasoning systems attempt to model an agent's knowledge and interaction with its environment in a symbolic manner. This environment, its world is generally dynamic and changing due to natural evolution or the actions of other agents that are a…

The goal of this work involves the developing of an argumentation-based formalism that an agent could use for constructing plans. In this formalism, agents will have certain knowledge about the world, and a set of actions that they will be…