We describe a system that reasons from first principles, i.e., using knowledge of structure and behavior. The system has been implemented and tested on several examples in the domain of troubleshooting digital electronic circuits. We give an example of the…

En el desarrollo de la línea de investigación “Formación y consolidación
de una comunidad de docentes investigadores en las ciencias sociales y en la
ciencias de la educación”, se viene diseñando, ejecutando y evaluando proyectos
de investigación referidos a la…

Descripción completa.

Descripción completa.

Notre recherche s’intéresse à la transformation des rapports aux nombres
rationnels d’élèves de 1re secondaire présentant des difficultés d’apprentissage. Comme le montrent plusieurs recherches, le défi majeur auquel sont confrontés les enseignants, ainsi que les chercheurs, est de ne…

Purpose: The aim of this paper is to assess both the philosophical underpinnings and contributions to knowledge made by research in the field of strategy in the five years between 2002 and 2006.

Design/methodology/approach: The paper begins with…

Descripción completa.

ABSTRACT: This paper presents an experience involving the use of a Bulletin Board System (BBS) for the Project Brazilian Rocks as Alternative Sources of Potassium. It's described the BBS specification, its implementation and the difficulties observed along this processes. The…

ABSTRACT: The Cerrado is one of the richest and most threatened biome in the world and its ecosystem Seasonally dry forest is the one that suffers most antropic pressure. It's important that conservation of The Paranã River Valley increases because…

Describes the design thinking behind, and the outline structure of, a multimedia system to represent and elicit comments on some aspects of Thames Chase Community Forest in Essex. It is part of a programme of research projects being carried out…