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The goal of ranking and selection (R&S) procedures is to identify the best stochastic system from among a finite set of competing alternatives. Such procedures require constructing estimates of each system's performance, which can be obtained simultaneously by running multiple independent replications on a parallel computing platform. However, nontrivial(More)
IMPORTANCE Life expectancy is increasing in most developed countries, and elderly people have the highest incidence of melanoma. OBJECTIVE To identify characteristics of melanoma and its management in the elderly compared with younger patients. DESIGN, SETTING, AND PARTICIPANTS Retrospective population-based study of incident cases of primary melanoma(More)
We compare two methods for implementing ranking and selection algorithms in large-scale parallel computing environments. The Message Passing Interface (MPI) provides the programmer with complete control over sending and receiving messages between cores, and is fragile with regard to core failures or messages going awry. In contrast, MapReduce handles all(More)
INTRODUCTION In France, general practitioners (GPs) are playing a key role in cancer care since the HPST law and the second national cancer plan. METHOD A postal questionnaire survey was conducted in Champagne-Ardenne Area to evaluate GPs' satisfaction and needs in cancer management. A questionnaire was sent by mail in March and April 2011 to 1231 GPs.(More)
An unusual multi-drug-resistant Pseudomonas aeruginosa (MDR-PA) was isolated in four patients whilst hospitalized in a French teaching hospital between May and August 2011. All four patients had undergone an oesophago-gastro-duodenoscopy with the same gastroscope over a five-month period. This endoscope was associated with a culture positive for the MDR-PA.(More)
One of the missions of the Centre mobile geriatrics unit in Marseille is to ensure the orientation towards the most suitable medical services of elderly patients seen in emergency departments who require admission to hospital. This regulation is preceded by the collection of geriatric and gerontological clinical data which are transferred to the ward to(More)
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