Quels tuteurs informatisés pour réduire les comportements d’évitement de la recherche d’aides des apprenants ?

Recherche de microblogs : quels critères pour raffiner les résultats des moteurs usuels de RI ?

The last few years saw the advent of microblogging platforms, such as Twitter. Such an appeal may be due to platforms’ features allowing to easily and quickly share information in real-time. Microbloggers, while posting microblogs, search for fresh information related to their interests. Finding good results concerning the given subjects needs to consider the characteristics of microblogs, such...

Quels facteurs de pertinence pour la recherche de produits ecommerce ?

E-commerce product retrieval aims to provide a quick and efficient access to products that fit user’s needs and preferences among a tail of similar or closely related products. We participated to the “Living Lab for Information Retrieval” evaluation campaign devoted to a product search task in which real users evaluated participants’ retrieval models in real search scenarios on e-commerce websi...

Séro-agglutination rapide et macroscopique pour la recherche d'anticorps de la Fièvre Q. chez les animaux

Extraction de comportements pour l'étude de la crédibilité des agents

This paper presents an evaluation method for behavioral credibility in multi-agent simulation. This method is based on the automatic clusters extraction of behaviors in a participatory simu-

Critères d'évaluation pour les interfaces des systèmes de recherche d'information

Visualization of search results is an essential step in the Information Retrieval process. Indeed Information User Interfaces are used as a link between users and Information Retrieval Systems, and so they enable to give sense to the results for users. Due to the importance that takes visualization of search results, many interfaces (which can be textual, in 2D or in 3D) have been proposed in t...