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,…

2008

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 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…

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…

Este trabalho surgiu diante dos seguintes questionamentos: quais as ferramentas de gestão podem auxiliar as micro e pequenas empresas na melhoria do processo administrativo? Qual o grau de conhecimento dos micro e pequenos empresários sobre conhecimento qualificado em gestão? Tomou-se…