This paper describes the development of an image retrieval
system that combines probabilistic and ontological information1. The
process is divided in two different stages: indexing and retrieval. Three
information flows have been created with different kind of information
each one:…

In the last few years, several studies have emphasized the use of ontologies as an alternative to organization of the information.
The notion of ontology has become popular in fields such as intelligent information integration, information retrieval on the Internet,…

Co-training can learn from datasets having a small number of labelled examples and a large number of unlabelled ones. It is an iterative algorithm where examples labelled in previous iterations are used to improve the classification of examples from the…

Document classification has already been widely studied. In fact, some studies compared feature selection techniques or feature space transformation whereas some others compared the performance of different algorithms. Recently, following the rising interest towards the Support Vector Machine, various studies…

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

Robotic soccer is a way of putting different developments in intelligent agents into practice, including not only problems such as multi-agent planning and coordination, but also physical problems related to vision and communication subsystems. In this work, we present the…

Cuando se analizan los diseños curriculares que desarrollan las instituciones de formación docente se evidencia que en su mayoría están centrados en la asignaturización de contenidos y en enfoques lógico-instrumentales con énfasis en la simplificación y fragmentación del conocimiento. Así,…

El bombardeo constante en producción, diferenciación e idoneidad de tipos de apósitos al que se ha sometido en las dos últimas décadas el mundo de las heridas por parte de la industria hace necesario y obligatorio por parte del personal…

En nuestro país, no se ha dado al cine y al video el valor que tienen como recursos didácticos para el estudio de realidades históricas y como fuentes e instrumentos para la creación de conocimiento en ese campo de las…

Presented at: Conference on Structural Reform and the Transformation of Organizations and Businesses, sponsored by the Ashcroft International Business School and the Athenian Policy Forum. Homerton College, Cambridge, 3-6 September 2003.