La menace des oiseaux : l’iconicité et la ressemblance des images à l’ère du relativisme

Recherches pour la détermination du degré des propriétés antigéniques de quelques souches vaccinales du virus de la maladie de Newcastle administrées par voie oculaire à des poulets

Extraction des connaissances à partir du Web pour la recherche des images géoréférencées

Geolocalized databases are becoming necessary in a wide variety of application domains. The manual creation of such databases is an expensive operation which stimulated the interest for the automation of their construction, by mining geographic information from the Web. In this article, we present and evaluate a new automated approach for creating a geographical database. Our technique uses Wik...

Apport du traitement des images à la numérisation des documents manuscrits anciens

Image processing is often necessary for extracting the content of ancient documents. We present here techniques for restoring images and removing noise, extracting document structures (separating graphical elements and illustrations from text, extracting text lines) and, when possible, recognizing the textual or musical symbols which may be present in the image. These techniques, which are clas...

Stabilisation des antigenes claveleux et preparation d'un vaccin mixte contre la clavelee et la fievre charbonneuse

Utilisation des langages d'arbres pour la modélisation et la vérification des systèmes à états infinis

This document presents different tools to represent and manipulate infinitsets of tree tuples called tree tuple languages. We choose logic programming as formalismto describe tree tuple languages (i.e relations) and logic program transformation techniquesfor computing operations on them. In a first step we study a class of relation closed underusual sets operations, the class of...