A proposal for a dynamic h‐type index

Rousseau, Ronald; Ye, Fred Y.

doi:10.1002/asi.20890

Cited by 48 publications

(32 citation statements)

References 104 publications

(118 reference statements)

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“…A similar aproach was taken by Rousseau and Ye (2008). The authors presented a dynamic h-type index which depends on the Hirsch core, the actual number of citations received by articles belonging to the Hirsch core, and the recent increase in h. It tries to detect situations where two scientists have the same h-index and the same number of citations in the h-core, but that one has no change in his h-index for a long time while the other scientist's h-index is on the rise.…”

Section: New Indices That Take Into Account Other Variables and Depenmentioning

confidence: 99%

h-Index: A review focused in its variants, computation and standardization for different scientific fields

Alonso

Cabrerizo

Liu

et al. 2009

Journal of Informetrics

722

452

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The h-index and some related bibliometric indices have received a lot of attention from the scientific community in the last few years due to some of their good properties (easiness of computation, balance between quantity of publications and their impact and so on). Many different indicators have been developed in order to extend and overcome the drawbacks of the original Hirsch proposal. In this contribution we present a comprehensive review on the h-index and related indicators field. From the initial h-index proposal we study their main advantages, drawbacks and the main applications that we can find in the literature. A description of many of the h-related indices that have been developed along with their main characteristics and some of the works that analyze and compare them are presented. We also review the most up to date standardization studies that allow a fair comparison by means of the h-index among scientists from different research areas and finally, some works that analyze the computation of the h-index and related indices by using different citation databases (ISI Citation Indexes, Google Scholar and Scopus) are introduced.

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Section: New Indices That Take Into Account Other Variables and Depenmentioning

confidence: 99%

h-Index: A review focused in its variants, computation and standardization for different scientific fields

Alonso

Cabrerizo

Liu

et al. 2009

Journal of Informetrics

722

452

View full text Add to dashboard Cite

show abstract

“…where r is the r-index and v h is a measure of the rate of change of h through time. Rousseau and 977 Ye (2008) suggest a number of ways to estimate v h , including that it be determined over a fixed 978 time interval (e.g., 5 or 10 years) to make it more contemporary. They also suggest one use the 979 rational h rather than h because its finer grained resolution will allow for better estimates of the 980 rate of change of h. For comparison purposes, I am estimating v h for a given date as the slope of 981 the regression of the rational h against time for all data up to that date.…”

Section: Indices Which Account For Time 955mentioning

confidence: 99%

A Biologist’s Guide to Impact Factors

Rosenberg

2014

Preprint

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6Personal impact factors (e.g., the h-index) are becoming more and more important in evaluations 7 of faculty with respect to job hiring, promotion, and tenure, but they are largely poorly 8 understood by the community at large. The purpose of this study is to educate biologist and other 9 scientists about some of the wide literature about impact factors, including highlighting their 10 strengths and weaknesses. This includes a thorough exploration of dozens of such indices by 11 comparing how they perform through repeated calculation of data representing 15 years of 12 scientific output of a single individual from beginning through mid-career. Indices are examined 13 with respect to factors such as interpretability, consistency, and stability. 14 15 16PeerJ PrePrints | http://dx.doi.org/10.7287/peerj.preprints.477v1 | CC-BY 4.0 Open Access |

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“…Muestra una alta correlación positiva con el número total de citas y de documentos de los investigadores (Cronin y Meho, 2006;Saad, 2006;Van Raan, 2006), por lo que tiende a favorecer a los que cuentan con carreras científi cas más dilatadas y tiene menos validez entre aquellos con un bajo número de publicaciones. Para diferenciar entre investigadores activos e inactivos y poder comparar investigadores en distintas etapas de su carrera, se ha propuesto la tasa de crecimiento h' (t) (Rousseau y Ye, 2008). A diferencia de N c (t), que es una función cuadrática, Hirsch (2007) ha estimado empíricamente que h(t) = a · t es una función lineal del tiempo.…”

Section: Indicadores Tipo Hunclassified

Indicador bibliométrico basado en el índice h

Dorta-González¹,

Dorta-González²

2010

Rev. esp. doc. cient.

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Resumen:El índice h se ha convertido en uno de los indicadores bibliométricos más empleados para estimar el éxito del trabajo realizado por un investigador y predecir el impacto de su producción en el futuro. Esto se debe principalmente a dos razones. En primer lugar, a su simplicidad, dado que se trata de un único indicador que combina producción e impacto, y puede ser determinado fácilmente por cualquier investigador. En segundo lugar, a que elimina los sesgos provocados por las colas de la distribución de citas. Sin embargo, este indicador presenta limitaciones al discriminar entre investigadores con diferentes hábitos de publicación, penalizando a aquellos más selectivos, que no destacan por el número de publicaciones pero sí por el alto núme-ro de citas recibidas, frente a los grandes productores. En este trabajo se proponen soluciones que consideran las citas de aquellos artículos que pueden contribuir, con una alta probabilidad, a incrementar el valor del índice h en el futuro. Palabras clave:Índice h, análisis de citas, indicadores bibliométricos, evaluación cientí-fi ca. Bibliometric indicator based on the h-index

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A proposal for a dynamic h‐type index

Cited by 48 publications

References 104 publications

h-Index: A review focused in its variants, computation and standardization for different scientific fields

h-Index: A review focused in its variants, computation and standardization for different scientific fields

A Biologist’s Guide to Impact Factors

Indicador bibliométrico basado en el índice h

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