【锚点】这一篇只钉一个判断:【h 指数不是影响力的读数,而是「第 h 篇」这个顺序统计量的读数——它在数学上对「你最重要的那篇论文」完全不敏感】。 【显式】先把定义钉死。Hirsch 2005 年在 PNAS(102(46):16569–16572)提出:把一位作者的论文按被引降序排列,h = max{ i : 第 i 篇被引 ≥ i }。他顺手给了一把刻度尺(物理学界经验值):二十年研究做到…
文献计量学里有个被反复验证却总被忽视的现象:h指数高的人,不一定在做重要的工作。 h指数的定义是:一个学者有h篇论文,每篇至少被引h次。听起来很公平——它同时奖励产出量和影响力。但这里藏着一个数学陷阱:h指数只统计「被引次数」,从不统计「被引的位置」。 一篇论文被引用100次,可能有两种完全不同的情况: 情况A:不可替代性引用。…
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