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Citation Statistics / Analyses / Enhancements
 


New analysis reveals OA journals have clear citation advantage over subscription journals
- 13 Jul 2018

Open-access scholarly publisher Frontiers is the 4th most cited publisher amongst the 20 largest publishers, ranked by average citations over a three-year period (2015-2017). The same analysis also reveals a citation advantage of Open Access journals over subscription journals in the last three years.

In 2017, 16 percent of peer-reviewed papers worldwide were published in fully Open Access journals, according to SCImago (2018). After over two decades of the Open Access revolution, this is a far cry from the aspired 100 percent. One of the many reasons why the transition to Open Access turned out to be so difficult is the debate whether Open Access can produce scientific excellence.

In 2017, four of the 20 largest publishers are full Open Access publishers, 16 are traditional subscription publishers with a range of subscription, hybrid and fully open access journals.

The average citations over a three-year period (2015-2017) amongst the largest 20 publishers, the performance of fully Open Access publishers is remarkable.

Frontiers' average citation rate is 3.65 per paper and well above the average of 2.7 for subscription journals and 2.9 for Open Access journals. Amongst the ranked publishers, only Learned Societies specialising in a single, highly-cited field, such as chemistry or physics, rank higher. Among multidisciplinary publishers, Frontiers has the highest average citation rate.

Other fully Open Access publishers also rank above average on citation rates: PLOS ranks 6th with an average citation rate of 3.25 and MDPI 8th with an average citation rate of 3.10.

Across the last three years, Open Access journals received on average 7 percent more citations than subscription journals. Open Access journals published by traditional subscription publishers are generally achieving more impact within the same publisher.

In the open access and subscription journals break out by those 20 publishers, Open Access journals see a citation advantage, with an average of 2.9 citations per paper for Open Access journals versus 2.7 citations per paper for subscription/hybrid journals.

While 10 out of the 16 traditional publishers show a clear citation advantage for their Open Access journals, there are some variations, likely reflecting different strategies with the titles, as well as a publisher's standing in terms of the content they attract.

These findings are in line with a recent White Paper published by Springer Nature and Digital Science, which demonstrated a clear citation advantage of Open Access articles over paywalled articles in hybrid subscription journals. Articles published in the Open Access format were 1.6 times more cited than paywalled articles within the same journals.

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Wiley reports strong performance in 2018 Journal Citation Reports
- 12 Jul 2018

Wiley's performance in the 2018 release of Clarivate Analytics' Journal Citation Reports (JCR) remains strong, maintaining its position as #3 in terms of the number of titles indexed, articles published, and citations received. Wiley saw a 9.5 percent increase in JCR articles, giving it 9.7 percent overall share (+0.6 percent) - its biggest increase since 2008.

Overall, 1,223 Wiley journals were included in the reports, 58 percent of these were society publications - reaffirming Wiley's position as the leading society publishing partner. Wiley journals ranked #1 in 27 categories across 25 titles and achieved 349 top-10 category rankings.

The annual Journal Citation Reports (JCR) are one of the most widely-used sources of citation metrics used to analyse the performance of peer-reviewed journals. The most famous of these metrics, the Impact Factor, is based on the frequency with which an average article is cited in the JCR report year. Alongside other metrics, this makes it an important tool for evaluating a journal's impact on ongoing research.

In Health Sciences, five journals are ranked #1 in their category: Addiction, CA: A Cancer Journal for Clinicians, Journal of Cachexia Sarcopenia and Muscle, Periodontology 2000, and World Psychiatry. CA: A Cancer Journal for Clinicians retained its #1 spot across the entire JCR and its Impact Factor increased to 244.585. World Psychiatry also retains its #1 rank in the Social Science Citation Index, increasing its Impact Factor to 30.000. 70 titles achieved top 10 category rankings and International Journal of Older People Nursing received its first Impact Factor.

In Social Sciences, nearly 350 titles appeared in the 2018 JCR. Of these, seven journals are ranked #1: American Journal of Political Science, Econometrica, Journal of Child Psychology and Psychiatry, Journal of Finance, Population and Development Review, Public Administration Review, and Social Issues and Policy Review. 71 titles ranked in the top 10 of their category and four titles received their first Impact Factor: Presidential Studies Quarterly, Sociology Compass, PsyCh Journal and Geography Compass. Statistics in Medicine remains the top cited journal in Medical Informatics with over 23,000 citations, twice that of the next title.

In Physical Sciences, Advanced Materials Technologies (4.622) received its first Impact Factor and ChemistrySelect (1.505) its first-half Impact Factor. Wiley journals continued to lead within their subject categories and 46 titles achieved top 10 category rankings. Six titles ranked #1 in their category including International Journal of Energy Research, Mass Spectrometry Reviews and Acta Crystallographica Section C Structural Chemistry. WIREs Computational Molecular Science held its #1 position for the fourth straight year and Computer-Aided Civil and Infrastructure Engineering topped two categories.

In Life Sciences, Food Science and Nutrition (1.521), Molecular Genetics&Genomic Medicine (2.695), and WIREs Water (3.943) received their first Impact Factor. There are 85 journals in the Top 10 for their subject category within the Life Sciences, notably WIREs Water achieved a top ten rank with its first Impact Factor. Eight titles ranked #1 in their fields including Reviews in Aquaculture, The Palaeontology Society's flagship journal Palaeontology, Global Change Biology, and Global Biology Change Bioenergy.

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EDP Sciences reports robust performance in 2017 Journal Citation Reports
- 11 Jul 2018

Not-for-profit publisher EDP Sciences has reported another robust performance in the 2017 Journal Citation Reports (JCR) published by Clarivate Analytics.

Over half of the 21 EDP Sciences journals indexed show an increase in their Impact Factor, with 47 percent increasing by over 10 percent.

Astronomy&Astrophysics increased its Impact Factor by 11 percent to 5.565, having continued to climb for the past three years. The journal remains in the top 10 in the Astronomy and Astrophysics category, and a source of original research, rated 10th out of 66 journals in the discipline.

Parasite maintained a strong Impact Factor of 2.069. The journal is ranked 18th out of 37 journals in the Parasitology category.

International Journal of Limnology and Knowledge and Management of Aquatic Ecosystems both maintained a 5-year Impact Factor of above 1 (1.228 and 1.820 respectively). Knowledge and Management of Aquatic Ecosystems saw an Impact Factor increase of 25 percent when compared with last year.

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IChemE announces increase in Impact Factors
- 09 Jul 2018

The Institution of Chemical Engineers (IChemE) has announced an increase in Impact Factor for three of its journal titles - Food and Bioproducts Processing, Process Safety and Environmental Protection and Chemical Engineering Research and Design. All three now sit in the top three of peer-reviewed chemical engineering journals.

Food and Bioproducts Processing (FBP) saw the biggest increase in Impact Factor, going from 1.970 to 2.744 this year. FBP has also jumped up in the journal rankings - now 45th out of 137 chemical engineering journals (56th last year); 57th out of 160 biotechnology&applied microbiology journals (88th last year), and 36th out of 133 food science and technology journals (46th last year).

Process Safety and Environmental Protection (PSEP) continued to do well. The journal reported a 40% increase in Impact Factor last year and has experienced a further 18% increase, from 2.905 to 3.441, in the latest figures. It now places 27th out of 137 chemical engineering journals, and 18th out of 50 environmental engineering journals. It is ranked higher than the AIChE Journal and Chemical Engineering Science.

The 2017 Impact Factor results are calculated by Thomson Reuters and published by Clarivate Analytics. The latest figures have also seen a 10% increase in the Impact Factor for Chemical Engineering Research and Design (ChERD) - from 2.538 to 2.795.

Impact Factors provide a quantitative measure of a journal in relation to its competitors, based on a ratio of the citations to a journal in the most recent year to a count of articles and reviews published in the journal in the prior two years. IChemE journals do not insist on authors citing recent work from the journal to be considered for publication.

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IOS Press posts strong Impact Factor growth
- 06 Jul 2018

IOS Press has announced an Impact Factor increase of 18.23% across its 29 journals currently covered in the 2017 Journal Citation Reports® (JCR) released by Clarivate Analytics last week. Journals in biomedicine and rehabilitation medicine achieved the most significant gains.

Particularly noteworthy is the Journal of Vestibular Research, the official journal of the Bárány Society, with a 218% increase from 0.900 to 2.865. This has raised its ranking from the fourth to the first quartile in Otorhinolaryngology (now #4 out of 41 journals).

The Journal of Berry Research earned its first Impact Factor: 2.175. This impressive initial score already places it in the second quartile in Plant Sciences (#68 out of 222 journals).

IOS Press's neuro journals portfolio continues to perform well, led by the Journal of Alzheimer's Disease with a current Impact Factor of 3.476. NeuroRehabilitation has moved up to the second quartile of Rehabilitation journals with a 19% increase in its Impact Factor (1.779).

Other journals that have achieved strong Impact Factor growth include: ICGA Journal: The Journal of the Computer Games Community (106% increase); Isokinetics and Exercise Science (136% increase); and Journal of X-Ray Science and Technology (98% increase).

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