Real and rational variants of the h-index and the g-index

Guns, Raf; Rousseau, Ronald

doi:10.1016/j.joi.2008.11.004

Cited by 74 publications

(54 citation statements)

References 4 publications

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“…(7). This agrees with the linear interpolation of the sum (9) used [22,23] Table 2 further citations to the papers in the core set enhance the index values. For the discrete g index a certain number of additional citations is necessary to have an effect, but for the interpolated version every additional citation makes an albeit small increase.…”

Section: Index Variants Depending On the Arithmetically Averaged Numbsupporting

confidence: 85%

Twenty Hirsch index variants and other indicators giving more or less preference to highly cited papers

Schreiber

2010

Annalen der Physik

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Section: Index Variants Depending On the Arithmetically Averaged Numbsupporting

confidence: 85%

Twenty Hirsch index variants and other indicators giving more or less preference to highly cited papers

Schreiber

2010

Annalen der Physik

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“…As noted by Guns and Rousseau, the original h-index is insensitive to exceptional publications, because as soon as a highly cited publication becomes part of the h-core, its actual number of citations no longer matters [21]. In our case, the main determinant of the hjif-index is the highest JIF.…”

Section: Calculation Of Hjif-indices and Hjif-corementioning

confidence: 48%

“…Another variation of the h-index, named the rational h-index, was used by Ruane and Tol to rank economics departments in Ireland [20]. The properties of the real and rational h-index were studied by Guns and Rousseau [21].…”

Section: Introduction and Objectivesmentioning

confidence: 99%

Exploring the Hjif-Index, an Analogue to the H-Like Index for Journal Impact Factors

Cabos

Campanario

2018

Publications

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Abstract:We used the Journal Impact Factor (JIF) to develop the hjif-index, calculated in a similar way to h-like indices. To this end, we mapped the JIFs of one JCR group to natural numbers, and evaluated the degree of correspondence between the interval from zero to the highest JIF in the group and a set of natural numbers. Next, we plotted the straight line y = x to obtain the group's hjif-index as the JIF corresponding to the journal immediately above the straight line. We call the set of journals above the straight line the hjif-core. We calculated hjif-indices corresponding to the 2-year JIF (hjif2-index) and 5-year JIF (hjif5-index) windows for all 176 JCR groups listed in the 2014 Science edition. We also studied derived indicators such as the distribution of journals in JCR groups according to their hjif-indices, the distribution of journals and JIFs in the hjif-core, and other variables and indicators. We found that the hjif2-and hjif5-index behaved in a similar way, and that in general their distribution showed a peak followed by a relatively long tail. The hjif-index can be used as a tool to rank journals in a manner that better reflects the variable number of journals within a given JCR group and in each group's hjif-core as an alternative to the more arbitrary JCR-based percentile ranking.

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“…Recently several studies have focused on the statistical characterization of temporal variations of citation received by papers [23], [24], [25]. Wang et al have shown that the age at which a paper receives maximum citations follow a log-normal distribution [26].…”

Section: Citations and Diversitymentioning

confidence: 99%

Does Diversity of Papers Affect Their Citations? Evidence from American Physical Society Journals

Enduri

Reddy

Jolad

2015

2015 11th International Conference on Signal-Image Technology &Amp; Internet-Based Systems (SITIS)

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Abstract-In this work, we study the correlation between interdisciplinarity of papers within physical sciences and their citations by using meta data of articles published in American Physical Society's Physical Review journals between 1985 to 2012. We use the Weitzman diversity index to measure the diversity of papers and authors, exploiting the hierarchical structure of PACS (Physics and Astronomy Classification Scheme) codes. We find that the fraction of authors with high diversity is increasing with time, where as the fraction of least diversity are decreasing, and moderate diversity authors have higher tendency to switch over to other diversity groups. The diversity index of papers is correlated with the citations they received in a given time period from their publication year. Papers with lower and higher end of diversity index receive lesser citations than the moderate diversity papers.

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Real and rational variants of the h-index and the g-index

Cited by 74 publications

References 4 publications

Twenty Hirsch index variants and other indicators giving more or less preference to highly cited papers

Twenty Hirsch index variants and other indicators giving more or less preference to highly cited papers

Exploring the Hjif-Index, an Analogue to the H-Like Index for Journal Impact Factors

Does Diversity of Papers Affect Their Citations? Evidence from American Physical Society Journals

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