Résumé. Les index et les vues matérialisées sont des structures physiques qui accélèrent l’accès aux données d’un entrepôt. Ces structures engendrent cependant une surcharge de maintenance. Par ailleurs, elles partagent le même espace disque. Les travaux existants dans le domaine de la sélection d’index et de vues matérialisées traitent ces deux structures de manière isolée. Dans cet article, n...

Digitisation programmes for heritage resources are supported by research projects on technological aspects of digitisation and for document processing, access, preservation and usability. This collaboration, of uppermost importance for cultural stakeholders is structured, notably at European level, through the creation of incentive for projects involving actors of both the research and the cult...

________________________________________________________________________________________________________________ Distortions of vocalic space: which measurements? An application to dysarthria. This paper presents several metrics derived from F1/F2 measurements for the description and quantification of the possible variations to be observed in a vocalic space. 8 metrics from the literature or ad...

and key words

Recommender systems were developed to cherry-pick interesting content in an always growing environment to help users discover new products or information that they might like. Traditional collaborative filtering methods mainly focus on the ratings to establish user profiles, ignoring the joint review text. Our work does the opposite. We use the written comments as the primary source of informat...