Dentro del lenguaje de la Programación en Lógica tradicional, el operador de negación por falla "not" ha sido empleado tanto para representar información negativa como para proveer el fundamento básico de inferencias no monótonas.
En este trabajo se analiza este…

This paper investigates and analyses the process of building a knowledge management (KM) model at Brazil‟s Embrapa (The Brazilian Agricultural Research Corporation). Embrapa is a world class knowledge organization whose mission is to provide feasible solutions for the sustainable development…

The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…

In this article we examine and expose some of the results of a research work based on the appropriation of knowledge through visual expression, activity attended by teachers and students outside the schooleducational method called "Open Classroom".After the investigation, it…

En este trabajo se presentan los objetivos y alcances del proyecto de investigación AP/048416/11, “TIC Y Formación Web 2.0 para la Inclusión Social y el Desarrollo Sostenible”, financiado por la Agencia Española de Cooperación Internacional para el Desarrollo (AECID) y…

Heat shock (HS) leads to the activation of molecular mechanisms, known as HS-response, that prevent damage and enhance survival under stress. Plants have a flexible and specialized network of Heat Shock Factors (HSFs), which are transcription factors that induce the…

In Disability Studies, Universal Design (UD) is a concept that is often borrowed from an architectural or design context to mean an ideology of inclusion and flexibility with a range of applications in education, technology, and other milieus. This paper…

This article reviews findings and theoretical models concerning a specific aspect of theory-of-mind development, namely, the understanding of how knowledge is acquired. The review shows that where as the seminal research suggests this understanding emerges at around the age of…

The Reading of documents of ecclesiastical source produced during Middle Ages provides the very clear percept of the presence of various categories of mediators between the natural world and mystical forces, in the daily routine of the western men. On…

A grande maioria dos Sistemas de Gerenciamento de Aprendizagem predominantemente em uso no ensino com suporte computacional são estáticos e lineares, ou seja, apresentam o mesmo conteúdo instrucional para os diversos estudantes sem considerar o nível de aquisição de conhecimentos…