The goal of this work involves the developing of an argumentation-based formalism that an agent could use for constructing plans. In this formalism, agents will have certain knowledge about the world, and a set of actions that they will be…

We analyze an alternative to the standard rationalizability requirement for observed choices by considering non-deteriorating selections. A selection function is a generalization of a choice function where selected alternatives may depend on a reference (or status quo) alternative in addition…

We identify conditions under which preferences over sets of consumption opportunities can be reduced to preferences over bundles of \"commodities\". We distinguish ordinal bundles, whose coordinates are defined up to monotone transformations, from cardinal bundles, whose coordinates are defined up…

We provide a survey of the literature on ranking sets of objects. The interpretations of those set rankings include those employed in the theory of choice under complete uncertainty, rankings of opportunity sets, set rankings that appear in matching theory,…

La question de la propriété de l’information est reformulée en tenant compte de la problématique de l’espionnage économique, pratique déloyale ayant pour objet prioritaire l’accès à l’information privée d’un concurrent. L’atteinte aux intérêts légitimes d’un concurrent résulte du seul transfert…

Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal

Semantic, Syntax and Pragmatic represent in themselves three different
approaches to the same concern: semiotic structure.
The aim of this paper is to provide a general view of Landowskian Semiotics,
discussing the results achieved from different fields of knowledge to…

In recent research, it is claimed that deviant features of interlanguage grammars arise only
from the users' knowledge of the rule system of the target language. This paper examines
the relative contribution of the rule system of each of the…

O conhecimento sobre a resposta das forrageiras aos distúrbios antrópicos e naturais é fundamental para auxiliar os tomadores de decisão na avaliação da condição de conservação e tendência das pastagens nativas ou no desenvolvimento de estratégias adequadas de manejo adaptativas.…

The Sami people have struggled for centuries to maintain their culture in spite of pressures against it from colonialism. The formal education systems of Norway and Finland have acted in discord with Sami decision-making since their inception. In response to…