Le contact des langues : point aveugle du 'linguistique'

Tatouage Robuste Et Aveugle Dans Le Domaine Des Valeurs Singulieres

Digital watermarking consists on inserting a mark into an image to protect it against copies. The heaviness of the extraction procedure with the old methods urged us to look for a new algorithm in the singular values domain which would be blind : it does not require the original image to extract the mark. We propose a new robust method which consists on inserting the bits of the mark into the s...

Revisiter le couplage traitement automatique des langues et recherche d'information

Information retrieval systems (IRSs) aim at establishing a relationship between users' in-formation needs and the information contained in documents. To this end, a commonly usedmethod consists of making a simple match between query terms and document words. IRSsface two problems with such a mechanism. The rst problem is related to polysemy : a singleterm may have di erent meani...

Algorithmes pour le traitement interactif des langues naturelles

Suite Du Mémoire Sur Le Calcul Des

I have observed at the same time that it was not necessary in this case to understand, by the proper probability of a fact, the ratio of the number of combinations where it takes place, with the total number of combinations. For example, if in a deck of ten cards one has drawn one of them, & if a witness says to me that this is such a card in particular, the proper probability of this fact, whi...

Complexification des données et des techniques en linguistique : contributions du TAL aux solutions et aux problèmes