La recherche collaborative pour faire émerger une conscience disciplinaire de l’oral pour enseigner et apprendre la grammaire en cycle 3

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

BM25t, une extension de BM25 pour la recherche d'information ciblée

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...

La recherche d'information: Une opportunité de collaboration pour les équipesdistribuées

This research indicates how information retrieval activity is a social process helping to create a network of organizational expertise. After describing knowledge management practices in a research and development laboratory we propose a four steps model: Research, Support, Negotiation, and Reification. Built upon information research activities, this model either triggers an epistemic negotiat...

Etude sur la digestion pancratique de la caseine pour la production de la toxine tetanique

Structure et proximité pour la recherche documentaire

Our study compares the effectiveness of an information retrieval system based on the proximity of the query term occurrences in the documents and an IRS based on a language model with Dirichlet smoothing and with the Okapi BM25 model. Our proximity based model computes at each position in the document a value much higher as some occurrences of all the query terms are close to this position. Mor...