La reconstruction des Eski Chahar à Tachkent et à Boukhara (Ouzbékistan) : à la recherche d’un mythe ?

Système d'aide à la recherche et à l'interrogation de bases documentaires, fondé sur la réutilisation d'expériences

The main advantage of experience reuse approach is to integrate "reliable" knowledge, since "lived" and "validated" by users. For information retrieval systems, an experience or case is a search instance, represented by a search context and a set of evaluated document results. However, the major difficulty of reuse approach is to highlight "close" search contexts and instances, in order to reus...

À la recherche des paramètres des modèles de RI

We address in this study the problem of estimating standard IR model parameters on new collections for which no relevance judgements are available. To do so, we rely on past collections with relevance judgements and introduce a new, collection independent query representation. From this representation as well as from past collections, we learn a regression function linking queries to parameter ...

Contribution des sous-ensembles flous à l'aide à la décision et à l'analyse structurale

De la recherche sociale d'information à la recherche collaborative d'information

In this paper, we explain social information retrieval (SIR) and collaborative information retrieval (CIR). We see SIR as a way of knowing who to collaborate with in resolving an information problem while CIR entails the process of mutual understanding and solving of an information problem among collaborators. We are interested in the transition from SIR to CIR hence we developed a communicatio...

Adaptation de Virus de la Pest Equine à la culture des cellules