Well-known methods for solving the shape-from-shading problem require knowledge of the reflectance map. Here we show how the shape-from-shading problem can be solved when the reflectance map is not available, but is known to have a given form with some…

Un sistema de producción es un método, un procedimiento que desarrolla una organización para transformar recursos en bienes y servicios. La producción artesanal elabora objetos mediante la transformación de materias primas naturales básicas, a través de procesos de producción no…

La evolución de las características ecológicas de las especies es uno de los temas más intensamente estudiados, pero su complejidad suele limitar estos estudios a evidencias indirectas de las adaptaciones reales de los organismos. Recientemente, métodos moleculares como los "micro-arrays"…

The aim of this paper is to show the application of moodle software to help the knowledge of graphic representation of valves with an online application. This online application has being used in a specific subject of the University of…

L’objectif de cette thèse est d’analyser les modes d’émergence de la voix
chez cinq écrivains québécois ayant initié, durant les années 1940-1970,
leur parcours littéraire à travers la pratique de la poésie. Cette thèse
puise à même les ressources de…

We have developed a method and prototype program for assisting two experts in their attempts to construct a single, consensus knowledge base. We show that consensus building can be effectively facilitated by a debugging approach that identifies, explains, and resolves…

Problématique : L’arrivée des tests de pharmacogénétique a été annoncée dans les
médias et la littérature scientifique telle une révolution, un tournant vers la médecine
personnalisée. En réalité, cette révolution se fait toujours attendre. Plusieurs barrières législatives, scientifiques, professionnelles et…

This paper examines the issues and the solutions that have been studied in database (DB) integration research and tries to draw lessons from them for knowledge base (KB) integration.

This paper deals with the "Calculus of Knowledge", an extension of the propositional calculus in which one may reason about what other people know. Semantic and Syntactic systems are developed, certain theorems are proven, and a formal solution in the…

This paper studies the relationship of Artificial Intelligence to the study of language and the representation of the underlying knowledge which supports the comprehension process. It develops the view that intelligence is based on the ability to use large amounts…