État des recherches en didactique de la littérature

Evaluation de la qualité des applications Web: état de l'art

Web based applications development has been characterized by a very high growth during last years. The need for elaborating principles and methods which are specific to this kind of applications and to quality insurance, particularly from usability point of view, is more and more pointed out by the software professionals. Indeed, quantitative evaluation of web based applications quality (criter...

Utilisation de la linguistique en reconnaissance de la parole : un état de l'art

To transcribe speech, automatic speech recognition systems use statistical methods, particularly hidden Markov model and N-gram models. Although these techniques perform well and lead to efficient systems, they approach their maximum possibilities. It seems thus necessary, in order to outperform current results, to use additional information, especially bound to language. However, introducing s...

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

Enrichissement des contenus par la réindexation des usagers : un état de l'art sur la problématique

Information retrieval (IR) is a user approach to obtain relevant information which meets needs with the help of a IR system (IRS). However, the IRS shows certain differences between user relevance and system relevance. These gaps are essentially related to the imperfection of the indexing process (as approach related to the IR), to problems related to the misunderstanding of the natural languag...

Mise en application des théories sur l'extraction de la toxine tétanique endocellulaire. C II. Action de la trypsine