An improvement of the h-index: the g-index
@inproceedings{Egghe2006AnIO, title={An improvement of the h-index: the g-index}, author={Leo Egghe}, year={2006} }
For a set of papers, ranked in decreasing order of the number of citations that they received, the h-index is the (unique) highest number of papers that received h or more citations. In the references [1,2,7,9] one describes some advantages of this new scientometric indicator: It is a simple single number incorporating both publication (quantitiy) and citation (quality or visibility) scores and hence has an advantage over these single separate measures and over measures such as "number of…
353 Citations
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It is shown that the g-index inherits all the good properties of the h-index and better takes into account the citation scores of the top articles and yields a better distinction between and order of the scientists from the point of view of visibility.
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The e-index, where e 2 represents the ignored excess citations, in addition to the h 2 citations for h-core papers, is proposed, a necessary h-index complement, especially for evaluating highly cited scientists or for precisely comparing the scientific output of a group of scientists having an identical h- index.
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This study investigates whether there is a need for the h index and its variants in addition to standard bibliometric measures (SBMs) and proposes the use of any pair of indicators relating to the number of papers in a researcher's productive core as a meaningful approach for comparing scientists.
Do we need the h index and its variants in addition to standard bibliometric measures?
- EconomicsJ. Assoc. Inf. Sci. Technol.
- 2009
This study investigates whether there is a need for the h index and its variants in addition to standard bibliometric measures (SBMs) and proposes the use of any pair of indicators relating to the number of papers in a researcher’s productive core as a meaningful approach for comparing scientists.
References
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Theory and practise of the g-index
- MathematicsScientometrics
- 2006
It is shown that the g-index inherits all the good properties of the h-index and better takes into account the citation scores of the top articles and yields a better distinction between and order of the scientists from the point of view of visibility.
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It is shown that in each practical situation an IPP always has a unique h-index, which is based on the total number of items in Lotkaian systems.
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L'index-h, fonde sur le nombre de citations recues, mesure l'activite de publication and l'impact en citations, c'est un indicateur utile avec d'interessantes proprietes mathematiques, mais qui ne saurait se substituer aux indicateurs bibliometriques courants plus sophistiques.
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A new indicator for the assessment of the research performance of individual scientists was suggested by Jorge E. Hirsch in 2005. Several opportunities and limitations of this new measure are…
Dynamic h-index: The Hirsch index in function of time
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The time dependence of the /7-index is determined and it is shown that h is a concavely increasing function of time, asymptotically bounded by T1 ∞.
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SummaryWe suggest that a h-type index - equal to h if you have published h papers, each of which has at least h citations - would be a useful supplement to journal impact factors.
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