The Genetic Algorithm (GA) is often associated with local search optimisation techniques in the calibration process of Conceptual Rainfall-Runoff Models (CRRMs) (Wang, 1991; Franchini, 1996), i.e. the GA is used for approaching the region encompassing the global solution and then its results are used as a starting point for the local optimizer in the subsequent "fine-tuning" process. However, t...

Laser scanning produces a set of irregularly spaced data points, the values of which indicate the height of the surface above datum. These data are frequently used for creating digital surface models (DSM) which represent the upper surface of the earth, or features on that surface. As the first stage in this modelling process, many commercial software packages require that the irregularly space...

Winter skate (Leucoraja ocellata) of all length classes increased dramatically in abundance on Georges Bank in the 1980s following the decline of many groundfish species. We present a full population model of winter skate to better understand the population dynamics of the species and elucidate the mechanisms underlying their increase in abundance in the 1980s. Specifically, we developed four s...

Modern platforms used for high-performance computing (HPC) include machines with both generalpurpose CPUs, and “accelerators”, often in the form of graphical processing units (GPUs). StarPU is a C library to exploit such platforms. It provides users with ways to define tasks to be executed on CPUs or GPUs, along with the dependencies among them, and by automatically scheduling them over all the...

this paper addresses the problem of design of variable length codes (VLC) that would allow to exploit higher-order source statistics while still being resilient to transmission errors. The codes introduced extend and generalize the family of codes called multiplexed codes, referred to as stationary multiplexed codes. The design principle consists in creating xed length codes (FLCs) for high pri...

Cette recherche porte sur les difficultés rencontrées par l’apprenant Irakien dans l’apprentissage du FLE. Elle traite également amélioration des motivations apprenants pour surmonter ces problèmes. Notre objectif est cette étude qu’il faut corriger erreurs étudiants, en donnant tâches à accomplir aux étudiants. Au-delà, l'enseignant sollicite leurs capacités de déduction et découverte invite c...

Résumé. Notre approche « sémantique de l’utilisabilité », basée sur la catégorisation, correspond à un mode de représentation des connaissances, sous la forme d’un treillis de Galois qui permet de modéliser et simuler les procédures utilisateurs sur un dispositif technique. Cette approche, qui diffère de celles qu’on trouve avec SOAR ou ACT, associe les actions et les procédures aux catégories ...

Jean-Daniel Fekete École des Mines de Nantes 4, rue Alfred KASTLER, La Chantrerie F44070 NANTES Cedex +33 (02) 51 85 82 08 [email protected] Résumé: La construction d’interfaces Homme-Machine de qualité nécessite la coopération entre un noyau sémantique et des composantes logicielles destinées à visualiser et à interagir avec ce noyau. Jusqu’à présent, le domaine de l’Interaction Homme-...