Year based EM-index: a new approach to evaluate the scientific impact of scholars

Bihari, Anand; Tripathi, Sudhakar

doi:10.1007/s11192-017-2625-2

Cited by 9 publications

(10 citation statements)

References 17 publications

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“…11. The publications inconsistency also does not affect the index value Mahbuba and Rousseau (2012); Bihari and Tripathi (2018).…”

Section: Advantages and Limitationsmentioning

confidence: 98%

“…To overcome the big-hit problems or consideration of excess value in scientific assessment of scholars, the year based EM-index has been proposed by Bihari and Tripathi (2018) with three different parameters. The source of the year based EM-index is year and the items are (i) Total publication count in a particular year, (ii) Publication year citation count and (iii) citation year citation.…”

Section: Hirch (2010)mentioning

confidence: 99%

“…However, the career year h-indices and the year based EM-index considers only the core item value and leave some important item's value, that may have very near to the core item value. To incorporate the importance of such tail-item value with the consideration of excess citation value, the year based EM -index has been designed by Bihari and Tripathi (2018). The year based EM -index has been computed by using the methodology of EM -index, which is discussed in Bihari and Tripathi (2017).…”

Section: Hirch (2010)mentioning

confidence: 99%

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h-index and its alternative: A Review

Bihari,

Tripathi,

Deepak

2018

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In recent years, several Scientometrics and Bibliometrics indicators were proposed to evaluate the scientific impact of individuals, institutions, colleges, universities and research teams. The h-index gives a major breakthrough in the research community to evaluate the scientific impact of individual. It got a lot of attention due to its simplicity and several other indicators were proposed to extend the properties of h-index as well as to overcome shortcomings of h-index. In this literature review, we have discussed advantages and limitations of almost all Scientometrics as well as Bibliometrics indicators which have been categorised in eight categories :(i) Complement of h-index, (ii) Based on total number of authors, (iii) Based on publication age, (iv) Combination of two indices, (v) Based on excess citation count, (vi) Based on total publication count, (vii) Based on other variants and (viii) Based on account of self citation count. The main objective of this article is to study all those indicators which has been proposed to evaluate the scientific impact of individual researcher or a group of researchers.

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“…11. The publications inconsistency also does not affect the index value Mahbuba and Rousseau (2012); Bihari and Tripathi (2018).…”

Section: Advantages and Limitationsmentioning

confidence: 98%

Section: Hirch (2010)mentioning

confidence: 99%

Section: Hirch (2010)mentioning

confidence: 99%

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h-index and its alternative: A Review

Bihari,

Tripathi,

Deepak

2018

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“…2). Then we discuss the comparative empirical analysis of EM and EM -index sequence done on yearly citation count earned from all the articles in the dataset of 89 scholars used in Bihari and Tripathi (2018). The experimental results highlight the properties of EM and EM -index sequence that reflect the overall impact of scholars.…”

Section: Introductionmentioning

confidence: 95%

“…In spite of the progress so far, none of the above mentioned indices consider the career-duration of scholars, making it difficult to gauge the impact of a scholar at a particular stage of his/her career. Several articles have been published on this problem; Rousseau (2013, 2016); Liu and Yang (2014) and Bihari and Tripathi (2018) are the recent ones among them. Rousseau (2013, 2016) discussed the year based h-index that considers year wise impact of scholars based on (i) the total number of citations earned in a particular year, (ii) the total number of citations from all publications that are published in a particular year, and (iii) the total number of publications in a particular year.…”

Section: Introductionmentioning

confidence: 99%

EM and EM'-index sequence: Construction and application in scientific assessment of scholars

Bihari¹,

Tripathi²,

Deepak³

et al. 2018

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Most of the scientometric indicators use only the total number of citations of an article and produce a single number for scientific assessment of scholars. Although this concept is very simple to compute, it fails to show the scientific productivity and impact of scholars during a time-span or in a year. To overcome this, several time series indicators have been proposed that consider the citations from the entire research career of a scholar. However, these indicators fail to give a comparative assessment of two scholars having same or very similar index value. To overcome this shortcoming, h-index sequence was proposed to assess the impact of scholars during a particular time-span and to compare multiple scholars at a similar stage in their careers. The h-index sequence is based on the h-index formulation. One of the main issues related to the hindex is that it completely ignores the excess citation in scientific assessment; h-index sequence also exhibits a similar behaviour. To overcome these limitations, in this article, we have discussed the EM and EM -index sequence, and performed an empirical study based on yearly citation count earned from all publications of 89 scholars' publication data. The element of the EM and EM -index sequence for a given year shows the impact of a scholar for that year. We conclude that the EM and EM -index sequence could be used as an alternative metrics to asses the impact of scholars.

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Quantifying scientific collaboration impact by exploiting collaboration-citation network

Bai

Zhang

et al. 2021

Scientometrics

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Year based EM-index: a new approach to evaluate the scientific impact of scholars

Cited by 9 publications

References 17 publications

h-index and its alternative: A Review

h-index and its alternative: A Review

EM and EM'-index sequence: Construction and application in scientific assessment of scholars

Quantifying scientific collaboration impact by exploiting collaboration-citation network

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