Entre modèle et outil pour l'acquisition de la langue de spécialité : le prototype RAFALES – Recueil automatique favorisant l’acquisition d’une langue étrangère de spécialité

Modèle de graphe et modèle de langue pour la reconnaissance de scènes visuelles

We describe here a method to use a language modeling approach for image retrieval and image categorization. Since photographic images are 2D data, we first use image regions (mapped to automatically induced concepts) and then spatial relationships between these regions to build a complete image graph representation. Our method deals with different scenarios, where isolated images or groups of i...

Modèle de langue visuel pour la reconnaissance de scènes

We describe here a method to use a graph language modeling approach for image retrieval and image categorization. Since photographic images are 2D data, we first use image regions (mapped to automatically induced concepts) and then spatial relationships between these regions to build a complete image graph representation. Our method deals with different scenarios, where isolated images or group...

Un modèle de langue pour l'estimation de la fraîcheur et la pertinence des documents Web

An effective information retrieval system must satisfy different users search intentions expecting a variety of query categories, comprising recency sensitive queries where fresh content is the major user’s requirement. However, using temporal features of documents to measure their freshness remains a hard task since these features may not be accurately represented in recent documents. In this ...

Dialectologie de la langue Persane

Évaluation et consolidation d'un réseau lexical via un outil pour retrouver le mot sur le bout de la langue

Since September 2007, a large scale lexical network for French is under construction through methods based on some kind of popular consensus by means of games (JeuxDeMots project). Human intervention can be considered as marginal. It is limited to corrections, adjustments and validation of the senses of terms, which amounts to less than 0,5 % of the relations in the network. To appreciate the q...