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Un "spécial" en ligne de la revue Nature consacré à la question des "metrics". Je n'ai fait que survoler le sommaire pour le moment.Présentation du dossier:The value of scientific output is often measured, to rank one nation  against another, allocate funds between universities, or even grant or  deny tenure. Scientometricians have devised a multitude of 'metrics' to  help in these rankings. Do they work? Are they fair? Are they over-used?  Nature investigates.