The aim of this work is to analyze the knowledge interchange on multi-agent systems using shared knowledge areas. The project involves the analysis and reformulation of some aspects of the Linda model, adding new model level features. This work proposes…

In logic programs, negation-as-failure has been used both for representing negative information and for providing default nonmonotonic inference. In this paper we argue that this twofold role is not only unnecessary for the expressiveness of the language, but it also…

Mountain papaya fruits (Vasconcella pubescens) were tested for firmness with a nondestructive acoustic method for 14 days after harvest. The response of each fruit was analyzed with the Fourier transform to obtain a firmness index (FI) based on the second…

En: Proceedings of KR-2006, Tenth International Conference on Principles of Knowledge Representation and Reasoning, Lake District of the United Kingdom, june 2-5, 2006, p. 90-99

It was hypothesized that children with physical disabilities would show a deficit in procedural and declarative knowledge of ball catching compared to age-matched non-disabled children. The first group of children consisted of sixteen children with physical disabilities, three girls and…

Au début de son Traité fondamental de la foi, Karl Rahner avise le lecteur que l’introduction au concept de christianisme qu’il propose se déploie à ce qu’il nomme un « premier niveau de réflexion » (erste Reflexionsstufe). S’il le distingue…

La demande d'applications pour les plateformes mobiles a explosé ces dernières années. Chaque compagnie souhaite maintenant offrir pour ces nouveaux appareils les mêmes services que ceux offerts traditionnellement sur internet. Cependant, ces entreprises n'ont bien souvent que peu ou pas…

The high rate of sexually transmitted diseases and teen pregnancies among the Cree adolescents indicate that this population frequently engages in unprotected sexual activities. AIDS is a critical health problem worldwide and AIDS contamination within a Cree community could be…

The main objective of the present work is to investigate the nature of the cognitive processes responsible for the problem-solving operations of novices, intermediates, and experts in a semantically rich and complex domain, i.e. electronics trouble shooting, in relation to…

The thesis examines aspects of the construction of methylmercury as an authoritative object of knowledge for Chisasibi, a Cree community on the James Bay coast in northern Quebec. I describe the evolution of a particular set of spheres of exchange…