Grammaire matérielle et erreurs de catégories

Grammaire de Ramanujan et arbres de Cayley

— We study three sequences of polynomials defined as successive derivatives with respect to a differential operator associated with a grammar (one of these sequences was originally introduced by Ramanujan). Combinatorial interpretations for these polynomials are found in terms of rooted trees and graphs of mappings from [n] to [n]. Introduction Dans [Ra], [B], Ramanujan (et B. Berndt à sa suite...

L'Idee De Grammaire Avec Le Contexte Naturel

Commonly used gralm~mrs which describe i~turai lan~uages /ex. ATN, Metamorphosis Grammars/ can be hardly applied in describing higly inflectional languages. So I propose a grammar called the grammar with natural context which takes into consideration properties of higly inflectional languages /ex. Polish / as well as structural languages /ex. English/. I introduce its normal form.

Le tri de cartes Une méthode d'investigation des catégories mentales au service de l'architecture de l'information

This paper reviews the alternative uses of card sorting in the context of interactive system and digital document design. Our presentation will follow a series of tests, from data collection to interpretation, completed to inform the definition of the information architecture of a university department website. Beyond the state of the literature, our goal is, based on this empirical investigati...

Gestion transactionnelle de la reprise sur erreurs dans le deploiement

With the development of the networks and the Internet, the problems of automated deployment on broad scale became increasingly crucial. Software deployment is a complex process covering several activities going from the configuration to the retirement of a software product. During the execution of a deployment process, exceptions can be met which put the site in an incoherent state. To solve th...

Etude preliminaire de l'association de vaccins antiaphteux et antibrucellique