RÉSUMÉ Il existe un grand nombre de modèles de recherche d'information chacun ayant pour but de répondre au mieux aux attentes des utilisateurs. Le modèle que nous proposons se base sur une formulation précise de la requête reflétant le besoin de l’utilisateur : Chaque terme de la requête est augmenté par deux critères, l’un exprimant l’obligation ou non de l’apparition du terme dans les docume...

We have extracted a ball from an urn which contains n− 1 black balls and one white ball. A witness to the drawing announces that the extracted ball is white; we demand the probability of this exit. If the number n is very great, that which renders extraordinary the exit of the white ball, the probability of the error or of the falsehood of the witness becomes quite near to certitude, that which...

Implantable cardiac defibrillators (ICDs) and cardiac resynchronization therapy (CRT) devices have had a significant favourable impact on hospitalization and mortality among patients with heart failure (HF). Despite some degree of overlap, the therapeutic rationales for these two forms of device-based therapies are distinct, where ICDs abort arrhythmic death and CRT devices improve cardiac func...

Results We present the results of 87 patients with acute angiocholitis, evaluated and treated by a multidisciplinary team. The results are influenced mainly by the multiple therapeutic options and especially by how they were set for this pathology, for which there is no gold standard regarding the treatment. The particularity of this study stems from the fact that although all patients were ini...

En 1993-1994, un grand bassin en calcaire avec des decorations relief a ete decouvert sur le site d’Ardashir Khwarrah, dans la region du Fārs (aujourd’hui conserve base ICHHTO de Firuzabad). Son etat actuel, ainsi que l’impossibilite comparer d’autres objets similaires, ne permettent pas d’indiquer certitude sa fonction. Menant une etude approfondie cet objet, l’A. fait l’hypothese qu’il faisai...