x-index: a fantastic new indicator for quantifying a scientist's scientific impact
Xiaojun Wan

TL;DR
The paper introduces the x-index, a new metric for measuring scientific impact that emphasizes citations from influential papers, showing improved discrimination between top scientists and others.
Contribution
It proposes the x-index, which accounts for citation influence by considering citations from highly influential papers based on authors' average citation metrics.
Findings
x-index better distinguishes top physicists from others
x-index correlates with scientific prestige
x-index outperforms h-index in impact assessment
Abstract
h-index has become the most popular indicator for quantifying a scientist's scientific impact in various scientific fields. h-index is defined as the largest number of papers with citation number larger than or equal to h and it treats each citation equally. However, different citations usually come from different papers with different influence and quality, and a citation from a highly influential paper is a greater recognition of the target paper than a citation from an ordinary paper. Based on this assumption, we proposed a new indicator named x-index to quantify a scientist's scientific impact by considering only the citations coming from influential papers. x-index is defined as the largest number of papers with influential citation number larger than or equal to x, where each influential citation comes from a paper for which the average ACNPP (Average Citation Number Per Paper) of…
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Taxonomy
Topicsscientometrics and bibliometrics research · Academic Publishing and Open Access · Health and Medical Research Impacts
