Faire face aux injonctions paradoxales par la pratique

Accès personnalisé aux informations: approche dirigée par la qualité

Data personalisation is one of the main solutions to improve relevance of data in information retrieval systems and database systems. Before being executed, user queries are reformulated on the basis of user profile preferences. These preferences may be specified on different knowledge, in particular on quality factors which characterize data delivered to the user. In this paper, we address the...

Défis Méthodiques Lors De La Réalisation De L’accès Aux Données Économiques Allemandes Par La Téléinformatique Automatisée

A number of methodological and technical preconditions have to be met in order to provide (automated) remote data access. This paper outlines the German approach to achieving this goal with a strong focus on the scientific and methodological challenges, in particular, regarding the access to cross-sectional and longitudinal economic statistics. The challenges comprise the generation of anonymis...

Évaluation par simulation de la sécurité des circuits face aux attaques par faute. (Evaluation by simulation of circuits security against fault attacks)

Microelectronic security devices are more and more present in our lives (smartcards, SIM cards) and they contains sensitive informations that must be protected (account number, cryptographic key, personal data). Recently, attacks on cryptographic algorithms appeared, based on the use of faults. Adding a fault during a device computation enables one to obtain a faulty result. Using a certain amo...

A. Contribution a l'etude du traitement de la morve experimentale du cobaye par divers antibiotiques. B. Evolution du bacille morveau vers la resistance aux sulfamides

La conservation du virus de la peste bovine par lyophilisation