Quel temps aujourd’hui

Quel est l'auteur de ce roman ?

In this paper, we present the authorship attribution problem. As text representation, recent studies suggest using a small set of function or very frequent words (50 or 100). On this basis, we can apply either the principal component analysis (PCA) or the correspondence analysis (CA) to visualize the relationships between text surrogates. Using the nearest neighbor approach, we can then suggest...

Quel diagnostic devant une éruption fébrile?

Résumé Le patient avec exanthème fébrile pose au médecin de premier recours un véritable défi diagnostic. Nous rapportons un cas original d'exanthème maculeux fébrile que nous avons pu rattacher à un sepsis secondaire à une pelvipéritonite et cholécystite aigue. L'anamnèse, l'examen clinique de qualité, les examens paracliniques et l'évolution favorable nous a permis de retenir l'origine infect...

Métadonnées spatiotemporelles temps réel

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...

Layoffs, Lemons and Temps∗

We develop a dynamic equilibrium model of labor demand with adverse selection. Firms learn the quality of newly hired workers after a period of employment. Adverse selection makes it costly to hire new workers and to release productive workers. As a result, firms hoard labor and under-react to labor demand shocks. The adverse selection problem also creates a market for temporary workers. In equ...

Quel Test for Two Linear Restrictions in the Nonlinear Models