Vérité. Réalité. Universalité.

Exploration de données multimédia par réalité virtuelle

We present a new 3D interactive method for visualizing multimedia data (numeric, symbolic, sounds, images, videos, Web sites) with virtual reality. We use a 3D stereoscopic display in order to let the expert easily visualize and perceive the numerical attributes. We add to this display the appearing of contextual information such as texts, voice synthesis, sound, small images. Larger images, vi...

Éditorial: Informatique, la réalité dans l'irréel

Utilisation d'ontologies pour la quête de vérité : une étude expérimentale

HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau...

Inférence semi-automatique et interactive de règles sans vérité terrain

Dealing with non annotated documents for the design of a document recognition system is not an easy task. In general, statistical methods cannot learn without an annotated ground truth, unlike syntactical methods. However their ability to deal with non annotated data comes from the fact that the description is manually made by a user. The adaptation to a new kind of document is then tedious as ...

Filtrage contextuel par cache pour application de réalité augmentée mobile

The current development of mobile applications requires more and more to take into account the context of the user, to allow optimizations. In this paper, we propose a contextual information filtering approach for mobile users, involving five context dimensions: spatial, temporal, technical, social and activity. We present the two filtering methods we tested and the results of our preliminary e...