Journal self-citation on the h5-index of Ibero-American journals

It aims to analyze journal self-citation in Ibero-American journals from the h5-index of the Google Scholar Metrics. The bibliometric tool Gsm_hdata was used to identify 4049 Ibero-American journals indexed simultaneously in Latindex and Google Scholar Metrics. Self-citations were identified, self-c...

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Published inTransinformação Vol. 35
Main Authors Canto, Fabio Lorensi do, Pinto, Adilson Luiz, Talau, Marcos, Dias, Thiago Magela Rodrigues
Format Journal Article
LanguageEnglish
Published Pontificia Universidade Católica de Campinas 01.01.2023
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Abstract It aims to analyze journal self-citation in Ibero-American journals from the h5-index of the Google Scholar Metrics. The bibliometric tool Gsm_hdata was used to identify 4049 Ibero-American journals indexed simultaneously in Latindex and Google Scholar Metrics. Self-citations were identified, self-citation rates by country and research area were calculated, and the h5-index was recalculated without self-citations (hs5-index). No self-citations were identified in almost 40% of the journals, especially those with an h5-index lower than 5. The overall average self-citation rate was 3.6%. Among the 1859 most cited journals with at least one self-citation, the rate was 4.8%, lower than that of research based on the Impact Factor. Journals of Engineering, Exact and Natural Sciences, and Agricultural Sciences had the highest self-citation rates, while Social Sciences and Humanities journals presented the lowest. Journals with excessive rates (outliers) were identified in all areas. These results suggest that the prior exclusion of journal self-citations in the calculation of the h5-index is not necessary. However, monitoring journals with excessive self-citation rates is recommended to avoid distortions in impact assessment procedures based on h5-index of Google Scholar Metrics. Resumo: Este estudo analisa a autocitação de periódicos a partir do índice-h5. Foi utilizada a ferramenta bibliométrica Gsm_hdata para identificar 4049 periódicos ibérico-americanos indexados simultaneamente no Latindex e no Google Scholar Metrics. As autocitações foram identificadas, as taxas de autocitação por país e área de pesquisa foram calculadas e o índice-h5 foi recalculado sem autocitações (índice-hs5). Quase 40% dos periódicos não registraram autocitações, especialmente aqueles com índice-h5 menor que 5. A taxa média geral de autocitação foi de 3,6%. Entre os 1859 periódicos mais citados e com pelo menos uma autocitação, a taxa foi de 4,8%, taxa inferior à de pesquisas baseadas no Fator de Impacto. Periódicos de Engenharia, de Ciências Exatas e Naturais e de Ciências Agrárias apresentaram as maiores taxas de autocitação, enquanto periódicos de Ciências Sociais e Humanas as mais baixas. Periódicos com taxas excessivas (outliers) foram identificados em todas as áreas. Estes resultados sugerem que a exclusão prévia de autocitação de periódicos no cálculo do h5-índice não é necessária. No entanto, é recomendado monitorar periódicos com taxas excessivas para evitar distorções nos procedimentos de avaliação de impacto baseados no h5-índice do Google Scholar Metrics.
AbstractList It aims to analyze journal self-citation in Ibero-American journals from the h5-index of the Google Scholar Metrics. The bibliometric tool Gsm_hdata was used to identify 4049 Ibero-American journals indexed simultaneously in Latindex and Google Scholar Metrics. Self-citations were identified, self-citation rates by country and research area were calculated, and the h5-index was recalculated without self-citations (hs5-index). No self-citations were identified in almost 40% of the journals, especially those with an h5-index lower than 5. The overall average self-citation rate was 3.6%. Among the 1859 most cited journals with at least one self-citation, the rate was 4.8%, lower than that of research based on the Impact Factor. Journals of Engineering, Exact and Natural Sciences, and Agricultural Sciences had the highest self-citation rates, while Social Sciences and Humanities journals presented the lowest. Journals with excessive rates (outliers) were identified in all areas. These results suggest that the prior exclusion of journal self-citations in the calculation of the h5-index is not necessary. However, monitoring journals with excessive self-citation rates is recommended to avoid distortions in impact assessment procedures based on h5-index of Google Scholar Metrics. Resumo: Este estudo analisa a autocitação de periódicos a partir do índice-h5. Foi utilizada a ferramenta bibliométrica Gsm_hdata para identificar 4049 periódicos ibérico-americanos indexados simultaneamente no Latindex e no Google Scholar Metrics. As autocitações foram identificadas, as taxas de autocitação por país e área de pesquisa foram calculadas e o índice-h5 foi recalculado sem autocitações (índice-hs5). Quase 40% dos periódicos não registraram autocitações, especialmente aqueles com índice-h5 menor que 5. A taxa média geral de autocitação foi de 3,6%. Entre os 1859 periódicos mais citados e com pelo menos uma autocitação, a taxa foi de 4,8%, taxa inferior à de pesquisas baseadas no Fator de Impacto. Periódicos de Engenharia, de Ciências Exatas e Naturais e de Ciências Agrárias apresentaram as maiores taxas de autocitação, enquanto periódicos de Ciências Sociais e Humanas as mais baixas. Periódicos com taxas excessivas (outliers) foram identificados em todas as áreas. Estes resultados sugerem que a exclusão prévia de autocitação de periódicos no cálculo do h5-índice não é necessária. No entanto, é recomendado monitorar periódicos com taxas excessivas para evitar distorções nos procedimentos de avaliação de impacto baseados no h5-índice do Google Scholar Metrics.
It aims to analyze journal self-citation in Ibero-American journals from the h5-index of the Google Scholar Metrics. The bibliometric tool Gsm_hdata was used to identify 4049 Ibero-American journals indexed simultaneously in Latindex and Google Scholar Metrics. Self-citations were identified, self-citation rates by country and research area were calculated, and the h5-index was recalculated without self-citations (hs5-index). No self-citations were identified in almost 40% of the journals, especially those with an h5-index lower than 5. The overall average self-citation rate was 3.6%. Among the 1859 most cited journals with at least one self-citation, the rate was 4.8%, lower than that of research based on the Impact Factor. Journals of Engineering, Exact and Natural Sciences, and Agricultural Sciences had the highest self-citation rates, while Social Sciences and Humanities journals presented the lowest. Journals with excessive rates (outliers) were identified in all areas. These results suggest that the prior exclusion of journal self-citations in the calculation of the h5-index is not necessary. However, monitoring journals with excessive self-citation rates is recommended to avoid distortions in impact assessment procedures based on h5-index of Google Scholar Metrics.
Author Pinto, Adilson Luiz
Talau, Marcos
Canto, Fabio Lorensi do
Dias, Thiago Magela Rodrigues
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Snippet It aims to analyze journal self-citation in Ibero-American journals from the h5-index of the Google Scholar Metrics. The bibliometric tool Gsm_hdata was used...
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Ibero-American Journals
Journal self--citation
Title Journal self-citation on the h5-index of Ibero-American journals
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