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Publisher > STM Publishing > Citation analysis/Impact factors/Quality metrics
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Citation analysis/Impact factors/Quality metrics

   
 

Altmetric begins tracking mentions of articles on Sina Weibo
- 08 Apr 2014

Altmetric, supported by Digital Science, has begun tracking mentions of academic articles on Chinese microblogging site Sina Weibo. The data will shortly be fully integrated into existing Altmetric tools.

The mentions collated will be visible to users via the Altmetric Explorer, a web-based application that allows users to browse the online mentions of any academic article, and, where appropriately licensed, via the article metrics data on publisher platforms.

Launched in 2009, Sina Weibo has become one of the largest social media sites in China, and is most often likened to Twitter. Integrating this data means that Altmetric users will now be able to see a much more global view of the attention an article has received. Altmetric is the only article level metrics provider to offer this data.

This new addition joins an established list of news sites, blogs, social media networks and other online sources which Altmetric currently tracks and collates data from. Articles are identified by links to pages containing a unique ID (such as DOI or PubMed ID) and different versions of the same article are disambiguated to provide a summary of the overall attention the work has received.

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Australia continues to perform strongly in earth and environmental sciences
- 31 Mar 2014

Australia retained the third place in the Asia-Pacific region, with its greatest strengths still in earth and environmental sciences, according to the Nature Publishing Index 2013 Asia-Pacific released as a supplement to Nature.

The country improved its NPI score by almost every measure, with the second highest level of international collaboration in the region. Its contribution to Nature journals grew by more than 50 percent in 2013.

In the life sciences, Australia ranked third in the NPI Asia-Pacific behind China and Japan. However, it is persistently strong in immunology. Four of the top five regional institutions contributing to Nature Immunology were Australian.

The University of Melbourne held top spot in Australia for the third consecutive year, followed by Australian National University (ANU) and the University of Queensland (UQ) in second and third places, respectively - the same positions as 2012.

Australia recorded 29 institutions in the Asia-Pacific Top 200, with the University of Melbourne coming in at number eight. Those that also came in the NPI Asia-Pacific top 10 institutions include: the University of New South Wales (UNSW); the University of Sydney; Monash University; CSIRO; the Walter and Eliza Hall Institute for Medical Research (WEHI); the University of Western Australia (UWA); and Macquarie University.

Overall, Australia earned about one third of its NPI output from papers in the earth and environmental field, led by CSIRO, ANU and UQ. The University of Western Australia and James Cook University, which both dropped out of the top 10, joined CSIRO and UQ in the top five contributors to Nature Climate Change.

The big movers this year among Australian institutions were WEHI (up to 33 from 68) and the two that just missed Australia's top 10: Swinburne University of Technology (up to 64 from 100) and the University of Adelaide (up to 66 from 125).

The Nature Publishing Index 2013 Asia-Pacific has been released as a supplement to Nature. It measures the output of research articles from nations and institutes published in the 18 Nature-branded primary research journals over the calendar year to provide a snapshot of research in the Asia-Pacific in 2013.

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Japan remains major scientific power in Asia-Pacific
- 28 Mar 2014

Japan remains the major scientific power in Asia-Pacific, despite China nipping at its heels. This is according to the Nature Publishing Index (NPI) 2013 Asia-Pacific published as a supplement to Nature.

Japan, which is overcoming the impacts of the 2011 Tohoku earthquake and tsunami, with the help of a US$1.8 billion science stimulus package, continues to lead the Asia-Pacific NPI in physics, life sciences and earth and environmental sciences.

Despite the University of Tokyo being knocked off the top of the Asia-Pacific NPI institution rankings for the first time by the Chinese Academy of Sciences (CAS), the institution is still the top contributor to Nature.

Growth in China's output is outpacing Japanese science, and the former may overtake Japan in Nature publications within one or two years.

South Korea ranks fourth for scientific research output in the region, according to the recently released Nature Publishing Index 2013 Asia-Pacific. In 2013, the nation significantly increased its NPI output following a slight drop in 2012.

Named a possible 'one to watch' by the supplement editors, with high levels of investment in science and technology announced by both government and private enterprise, its NPI output is growing faster than China's.

The Korea Advanced Institute of Science and Technology has risen two places to take top spot above Seoul National University, which has retained second place. Pohang University of Science and Technology has leapt from eighth to third, with a more-than-threefold increase in corrected count, adjusted for the proportional contribution of collaborative institutions.

Last year's number one, Yonsei University, could not maintain its exceptional 2012 NPI output and has dropped to seventh spot.

It is now just above a newcomer, the Institute for Basic Science (IBS), funded as part of the government's increased investment in basic science. IBS plans to open 50 research centres by 2017 and will no doubt provide increasing contributions in the next few years.

Singapore's scientific output continues to grow. Singapore holds its own among its bigger Asia-Pacific neighbours, ranking fifth for scientific research output according to the Nature Publishing Index 2013 Asia-Pacific.

The country's multi-billion dollar research and development investment programme has been steadily growing over the past decade and its NPI output almost doubled in 2013.

Singapore's three significant research institutions all rank in the Asia-Pacific top 20. The National University of Singapore (NUS), sixth in the Asia-Pacific, outperformed the top institutions from higher-ranked nations, Australia and South Korea.

Nanyang Technological University (NTU) recorded a 250 percent increase in corrected count to take second place in Singapore and 12th in the region. Third is the national research body, the Agency for Science, Technology and Research (at 19 in the region).

NUS and NTU both rocketed up the global rankings in 2013, to 46 (from 74 in 2012) and 73 (from 217), respectively.

The Nature Publishing Index 2013 Asia-Pacific has been released as a supplement to Nature. It measures the output of research articles from nations and institutes published in the 18 Nature-branded primary research journals over the calendar year to provide a snapshot of research in the Asia-Pacific in 2013. To see the latest results for the region, and the Nature Publishing Index Global Top 100, interested parties may visit the Index website at www.natureasia.com/en/publishing-index/.

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ScienceOpen and Altmetric collaborate to provide top-level alternative metrics data for over 1 million open access articles
- 20 Jan 2014

Research and publishing network ScienceOpen and Altmetric are collaborating to provide top-level alternative metrics data for over 1 million open access articles in the natural sciences and medicine which are now available on the new platform ScienceOpen.com. The collaboration between the two start-up ventures based in London and Boston/Berlin was announced by Altmetric CEO Euan Adie and ScienceOpen CEO Stephanie Dawson.

The Altmetric features enable the user of ScienceOpen.com to track and analyse the online activity around scholarly literature accessible on the new platform.

In contrast to traditional citations in academic literature, which will appear several months or years after the cited work had been published first, Altmetric enables the user to access all comments or mentions as soon as they are published in social networks such as Facebook or microblogs such as Twitter. The information about the different feedback channels for a given paper are transparently displayed on the ScienceOpen site in the form of the Altmetric badge which retrieves in real time all feedback about an article in the form of a coloured "donut".

Additionally, clicking on this donut in articles published by ScienceOpen will retrieve all comments about that article in full text, and provides further information; for example about the local territory from which the author of the microblog or social media stream comes from.

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OSA journal Advances in Optics and Photonics to be indexed in Thomson Reuters’ Web of Science
- 13 Dec 2013

The Optical Society (OSA) has announced that its journal Advances in Optics and Photonics has been approved for indexing in Thomson Reuters' Web of Science™, the Scientific, Technical and Medical publishing industry's leading citation database.

Advances in Optics and Photonics articles are scheduled to start appearing in Web of Science beginning early next year, with its first Impact Factor expected in June 2014, when Thomson Reuters announces its Journal Citation Reports (JCR) rankings for all journals. The Impact Factor is a metric meant to indicate the average number of times recent articles in a journal are cited during the previous year and is used by many scientists to determine where they should publish their work.

Advances in Optics and Photonics launched in 2009 and publishes peer-reviewed long review articles and multimedia tutorials from prominent authors in optics and photonics. The journal will join 14 other OSA journals already indexed in Web of Science. Collectively OSA's journals receive the highest number of citations of any publisher in the JCR Optics category.

Content in Web of Science covers more than 12,000 of the highest-impact journals worldwide, including both subscription and open access journals as well as more than 150,000 conference proceedings. Articles cover topics in the sciences, social sciences, arts and humanities and date back to 1900.

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SAGE reports strong performance in 2012 Journal Citation Reports
- 17 Jul 2013

Academic publisher SAGE reported strong performance across its journals portfolio in the 2012 Journal Citation Reports (Thomson Reuters, 2013), with an increase of 30 indexed titles on prior year to 461 across both the Social Science (SSCI) and Science (SCI) Citation Indexes.

Over the last five years, SAGE has experienced consistent growth in its coverage in the reports, with the increase in the number of JCR-indexed journals exceeding 60 percent. 52 percent of SAGE-indexed titles are now ranked within the top two quartiles of their JCR subject categories and 102 titles have achieved a top-10 category rank.

Eight titles have a top #1 category rank including American Journal of Sports Medicine (4.439), Child Maltreatment (2.589), Gender & Society (2.000), International Journal of Robotics Research (2.863), Journal of Consumer Culture (2.793), Journal of Management (6.704), Personality and Social Psychology Review (8.195), and Review of Educational Research (4.229).

Six SAGE titles were awarded their first Impact Factor. A particular highlight included Emotion Review, a recent SAGE launch published in association with the International Society for Research on Emotion, achieving a first impact factor of 1.894 placing it in the top quartile for Psychology, Multidisciplinary.

Within the Social Science Citation Index (SSCI), SAGE maintained a strong position across all subject categories with 256 journals ranked in the top two quartiles of their JCR subject categories. Particular 2012 highlights (achieving the highest number of total cites in their respective categories) were American Sociological Review, Social Studies of Science, and Theory Culture & Society.

Within the Science Citation Index (SCI), SAGE continues to significantly grow its coverage adding 18 titles to the 2012 release representing 13 percent growth on prior year and 77 percent growth over the last five years. Highlights include The Neuroscientist, which increased its impact factor to 5.633; Multiple Sclerosis Journal, which increased its impact factor to 4.472; and Journal of Dental Research, which both increased its impact factor to 3.826 and achieved the highest total cites in its subject category.

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Elsevier announces 2012 Journal Impact Factor highlights
- 17 Jul 2013

STM publisher Elsevier, Netherlands, has announced the highlights of its journal Impact Factor performance in 2012. According to the 2012 Journal Citation Reports (JCR) published by Thomson Reuters, Elsevier saw 53 percent of its journal Impact Factors increase from 2011 to 2012. Furthermore, 17 percent of Elsevier journals are in the top 10 percent of their subject category.

Elsevier journals top the rankings in 59 subject categories, up from 57 in 2011. Of Elsevier's 1,600 journals in the JCR, 44 percent are in the top 25 percent of their subject category. In 2012, 15 Elsevier journals have risen to the top of their subject category, including Cell, reclaiming the top position in "Biochemistry & Molecular Biology".

All of The Lancet journals' Impact Factors increased. The Lancet rose from 38.278 to 39.060. The Lancet Oncology saw an increase from 22.589 to 25.117 moving up its subject category ranking from 4th to 3rd position. The Lancet Neurology increased to 23.917, from 23.462, and The Lancet Infectious Diseases went up from 17.391 to 19.966, both journals maintaining the top rankings in their respective categories.

The journals of Cell Press, an imprint of Elsevier, mostly saw quite stable trends in Impact Factor, with highlights including strong growth from Molecular Cell – an 8 percent increase to 15.280 and Trends in Cognitive Sciences, which saw a 27 percent increase in comparison to 2011, to 16.008. Its flagship journal Cell continues to lead in its field with an impact factor of 31.957, and is the number one research journal in the Cell Biology and Biochemistry & Molecular Biology categories.

Of the 420 titles in the JCR that Elsevier publishes on behalf of societies, 261, or 62 percent, showed a rise in their Impact Factors. Nine of these rank number one in their subject categories, among which Evolution and Human Behavior, rising from the 4th position in the category 'Social Sciences, Biomedical'. Two society journals reached a number one position for the first time: European Urology reached the number one position in 'Urology & Nephrology', and Forensic Science International: Genetics ranked highest in the category: 'Medicine, Legal'.

The Impact Factor helps evaluate a journal's impact compared to others in the same field by measuring the frequency with which recent articles in a journal have been cited in a particular year. The 2012 Impact Factor takes into account citations in 2012 to papers published in 2010 and 2011.

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Wolters Kluwer Health announces Impact Factor gains across its LWW journal portfolio and Medknow OA titles
- 16 Jul 2013

Healthcare information provider Wolters Kluwer Health, US, has announced impact factor gains across its Lippincott Williams & Wilkins (LWW) journal portfolio and Medknow open access titles with the release of the latest Impact Factor (IF) scores and specialty rankings, based on the 2012 Journal Citation Reports® (Thomson Reuters).

The Medknow open access journal platform continued to gain influence globally with 79 percent of the 14 titles listed in the JCR posting an increase in their IF rating over the previous year.

For LWW's 200 titles listed in the JCR Rankings, including 38 titles in the Social Science Index, 50 percent of the journals had gains over the previous year with 16 titles increasing 25 percent or more. Impressive gains were noted in LWW's rankings across categories in the JCR Science category. In the top 5 rankings, LWW holds 27 spots across 12 specialties; in the top 10 rankings, LWW holds 60 spots across 27 specialties; and rounding out the top 20 rankings, LWW holds 82 spots across 36 specialties.

Circulation (IF 15.202), published on behalf of the American Heart Association (AHA), maintained its #1 position in Cardiac and Cardiovascular Systems category. In the surgery category, Annals of Surgery (IF 6.329) still holds the #1 ranking and is the most-cited journal in its category with 36,761 citations. Plastic and Reconstructive Surgery, published on behalf of the American Society of Plastic Surgeons, increased its Impact Factor 5 percent to 3.535. The Journal of Head Trauma Rehabilitation took the #1 spot in the Rehabilitation category increasing 33 percent (IF 4.443), while Ear & Hearing (3.262), the official title of the American Auditory Society, increased 27 percent to take the #1 ranking in the Otorhinolaryngology specialty. In the Social Sciences Index, Epidemiology, the official title of the International Society for Environmental Epidemiology, held its #1 ranking in the Public, Environmental & Occupational Health category.

Other titles showing impressive gains include the Journal of Hospice & Palliative Nursing rising 90 percent (IF.727), Orthopaedic Nursing moving 48 percent (IF .688), and the European Journal of Cancer Prevention increasing 40 percent (IF 2.974).

Rankings are published annually in the Journal Citation Reports, a registered trademark of Thomson Reuters. Impact Factor (IF) is a measurement of the frequency by which an article in a scholarly journal is cited in a particular year. It is considered by many to be a measure of a journal's influence and prestige.

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Nature Communications' and Scientific Reports' submission and publication rates continue to grow rapidly
- 15 Jul 2013

Scientific publisher Nature Publishing Group (NPG) has announced that Nature Communications and Scientific Reports are now the fastest growing journals published by NPG. Launched in 2010 and 2011 respectively, both journals reached the milestone of 2000 published papers in June 2013, and their submission and publication rates continue to grow rapidly.

The 2012 Journal Citation Report (JCR) places Nature Communications at #3 and Scientific Reports at #8 in the top 10 Multidisciplinary Sciences titles. Nature remains #1 in the Multidisciplinary Sciences, with an Impact Factor of 38.597, and is the most cited science journal in the world with 554,745 citations in 2012.

Nature Communications, with over 7000 citations in 2012 and an Impact Factor of 10.015, is now in the top 2 percent of all science journals worldwide, according to the 2012 JCR. Scientific Reports received its first impact factor this year (2.927) ranking eighth out of 56 journals in the Multidisciplinary Sciences category.

The Nature Communications website had over 4.3 million page views in 2013 (January-June), and now receives more submissions per month than Nature. The journal has already published more articles in the first six months of 2013 (723 articles) than in the whole of 2012 (702 articles). The first six months of 2013 account for 36 percent of Nature Communications' total output to date. The journal is projected to publish 1650 articles in 2013. Nature Communications offers an open access publication option to authors, and 38 percent of content published since launch is open access under Creative Commons (CC) licenses.

Scientific Reports is NPG’s fastest growing journal. More than 1,000 papers have been published in Scientific Reports so far in 2013, 50 percent of the total output since the publication launched in June 2011. All articles in Scientific Reports are open access under CC licenses. The Scientific Reports website has had 3.5 million page views to date in 2013.

Springer announces impact factor increases for journals in 2012
- 11 Jul 2013

STM publisher Springer has announced that among those journals receiving a first-time impact factor (IF), 46 were Springer publications. Thomson Reuters recently released its Journal Citation Reports (JCR) for 2012.

This brings the total number of Springer journals with IFs to 1,539, many of which are published on behalf of Springer's society partners. In addition, the growth in citations among Springer journals was also impressive, with 86 percent of the portfolio's journal titles having increased their citations. Finally, 55 percent of journals increased their impact factors, another indication of the quality and reach of Springer's journal publications.

Among the list of journals that received a first-time IF, 21 were open access (OA), including those at BioMed Central. The total number of Springer's OA journals with an impact factor now stands at 163, which account for a full 41 percent of all open access journals at Springer. These figures further underscore the importance of open access in the world of scientific publishing.

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MRS Communications receives first impact factor
- 08 Jul 2013

Academic publisher Cambridge University Press and Materials Research Society have announced that MRS Communications received its first impact factor (IF) of 1.250, based on just one issue. Also notable - the journal achieved this ranking in its first year of eligibility and within two years of its launch.

In addition, the Journal of Materials Research and MRS Bulletin have increased their respective IFs. The IF for the Journal of Materials Research rose to 1.713 and the IF for MRS Bulletin, one of the most widely recognised and highly respected publications in advanced materials research, increased to 5.024.

The IF is a measure of the frequency with which the average article in a specific journal has been cited in a particular year or period. It helps recognise journals of key importance in their subject area and is one of the evaluation tools provided by Thomson Reuters Journal Citation Reports.

Launched in 2011 by the Materials Research Society and Cambridge University Press, MRS Communications was the first journal of its kind to establish future directions for the broad materials science community via Prospectives articles. The journal, attracting Open Access and traditional submissions, brings together researchers and professionals from the full range of materials fields, including physics, chemistry, biology, mathematics and engineering, to identify and report on trends in research.

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IEEE journals post impressive impact factors
- 03 Jul 2013

Technical professional organisation IEEE has maintained its position as one of the top publishers of science and technology journals. According to the 2012 Thomson Reuters Journal Citation Reports (JCR) released in June 2013, IEEE journals sustained their status as premier scholarly publications, earning high rankings in the Impact Factor report.

The publications that ranked #1 in their respective categories include IEEE Transactions on Industrial Electronics (Automation & Control Systems); IEEE Transactions on Fuzzy Systems (Computer Science – Artificial Intelligence); IEEE Transactions on Systems, Man and Cybernetics: Part B, Cybernetics (Computer Science – Cybernetics); IEEE Transactions on Neural Networks and Learning Systems (Computer Science – Hardware & Architecture); IEEE Transactions on Evolutionary Computation (Computer Science – Theory & Methods); IEEE Transactions on Industrial Informatics (Engineering – Industrial); IEEE/ASME Transactions on Mechatronics (Engineering – Manufacturing); and IEEE Communications Surveys and Tutorials (Telecommunications).

The report also found that IEEE publishes all of the top 10 journals in the Telecommunications category and 8 of the top 10 journals in the Electrical & Electronic Engineering category based on the Eigenfactor score, a scale that measures the number of times articles from a journal are published in the last five years.

The JCR offers a systematic, objective means to critically evaluate the world's leading journals. By compiling articles cited references, the JCR helps to measure research influence and impact and shows the relationship between citing and cited journals.

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Mayo Clinic Proceedings 2012 Impact Factor grows to 5.79
- 03 Jul 2013

The latest Impact Factor data for Mayo Clinic Proceedings shows progressive growth over the past 13 years, with the newly released 2012 scoring (published June 19, 2013) bringing the journal to a 5.79 Impact Factor. This places the journal in the top 7 percent of 151 journals in the Medicine, General & Internal category.

While most top-tier journals witness ups and downs in scoring year-to-year, Proceedings is unique in increasing its Impact Factor in twelve of the last thirteen years. This trend reflects both upon Mayo Clinic leadership for their support of the journal's editorial excellence and independence, and upon the efforts of the editorial team to turn Proceedings into a premier scholarly journal.

The flagship journal of Mayo and one of the premier peer-reviewed clinical journals in general medicine, Mayo Clinic Proceedings is among the most widely read and highly cited scientific publications for physicians, with a circulation of about 125,000. The journal welcomes submissions from authors worldwide, publishing articles that focus on clinical medicine and support the professional and educational needs of its readers.

Wiley announces increase in Impact Factors
- 02 Jul 2013

Publisher John Wiley & Sons, Inc., US, has announced a continued increase in the proportion of its journal titles indexed in the Thomson Reuters 2012 Journal Citation Reports (JCR), with 1,192 (about 77 percent) titles now indexed, up from 1,156 in the 2011 JCR. Wiley titles now account for the largest share of journals in 50 categories.

In the 2012 JCR, the number of Wiley journals with a top category rank increased by 19 percent and the number of Wiley titles indexed in the top ten of their categories also increased by 11 percent. Of publishers with more than 100 journals indexed in the 2012 JCR, Wiley saw the largest proportion of titles (close to 60 percent) increasing in Impact Factor (IF).

One of the largest changes this year is the partnership between Wiley and the American Geophysical Union, whose portfolio of influential geoscience and geophysics titles is responsible for 6 percent of citations to journals published by Wiley in the 2012 JCR. Of these titles, Journal of Advances in Modeling Earth Systems entered the Meteorology & Atmospheric Sciences category in the top ten, with an IF of 4.117.

Other success stories include the first appearance of Advanced Energy Materials, entering the JCR with an Impact Factor of 10.043 – putting it in the top ten of all five of its JCR subject categories. Advanced Energy Materials joins the successful Advanced Materials series, which includes titles such as Advanced Functional Materials (9.765) and Advanced Materials (14.829). Collectively, these journals appear in the top ten of a JCR subject category 15 times, asserting the traction of this journal series within the scientific community.

This year also sees a continuing increase in IF of CA – A Cancer Journal for Clinicians, published on behalf of The American Cancer Society. Last year, this journal became the first to achieve an IF over 100 and has this year broken its own record with an IF of 153.459 at 0 percent self-citation, a 51 percent increase from its 2011 IF. The Impact Factors of its two sister titles, Cancer (5.201) and Cancer Cytopathology (4.434) also increased.

The WIRES (Wiley Interdisciplinary Reviews) portfolio has continued to increase in strength, with seven WIRES titles now indexed in the JCR, three of which received their first IF this year.

Impact factors are a metric that reflect the frequency that peer-reviewed journals are cited by researchers, and are often used as a tool for evaluating a journal's quality.

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APA reports significant increases in impact factors in its portfolio of journals
- 27 Jun 2013

The American Psychological Association (APA) has reported significant increases in impact factors in its portfolio of journals indexed in the 2012 Journal Citation Report (JCR), published by Thomson Reuters. In total, 76 percent of APA's publications received a 2012 impact factor.

APA's journals received 32 top 10 rankings in their respective categories across the JCR. Among them, Psychological Bulletin topped categories in both the Social Science (Psychology, Multidisciplinary) and Science (Psychology) JCR. Its impact factor of 15.575 is the highest among all journals in psychology.

Four of APA's journals received their first impact factor, including the Asian American Journal of Psychology (1.75), the International Journal of Stress Management (0.921), Personality Disorders: Theory, Research, and Treatment (3.54), and the Psychology of Violence (1.826).

Mary Ann Liebert, Inc reports significant growth in impact factors of its journals
- 26 Jun 2013

Mary Ann Liebert, Inc., publishers has announced significant growth in the impact factors of its peer-reviewed journals, as reported in the 2012 Journal Citation Reports (JCR) (Thomson Reuters 2013). Sixty percent of the Publisher's portfolio of indexed journals received increased impact factors, with 20 titles seeing double-digit percentage increases.

Of particular significance is the increase, and continued impact to the field, of Journal of Interferon & Cytokine Research, the first journal published by Mary Ann Liebert, Inc., now in its 33rd volume. Other notable results include Journal of Neurotrauma with an 18 percent increase, AIDS Research and Human Retroviruses with a 20 percent increase, AIDS Patient Care and STDs with a 28 percent increase, and Photomedicine and Laser Surgery with a 30 percent increase.

Flagship publications Human Gene Therapy, Tissue Engineering, and Stem Cells and Development maintained strong impact factors and reinforced their positions as leaders in their respective fields.

The company's position as a leading STEM research publisher was further enhanced by increased impact factors for journals such as Astrobiology, and High Altitude Medicine & Biology, and an impressive first impact factor of 2.333 for Lymphatic Research and Biology.

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Impact Factor success for open access publisher BioMed Central
- 25 Jun 2013

Open access publisher BioMed Central has announced that its flagship journal Genome Biology passed a major milestone this week, increasing its Impact Factor to double figures in the Thomson Reuters 2012 Journal Citation Report (JCR). The new Impact Factor of 10.288 confirms its position as the top-ranked journal in BioMed Central's portfolio.

BMC Medicine, also one of BioMed Central's leading titles, increased its Impact Factor to 6.679, moving up to an impressive rank of 7th of 191 titles in the JCR category of General and Internal Medicine.

In all, 21 of BioMed Central and Chemistry Central journals received their first Impact Factors this year, meaning that 146 of the publisher's 261 journals now have Impact Factors. Of the journals which already had an impact factor, a significant majority increased it in this year's JCR.

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Cell Press journals show significant increases in multiple citation-based measures of impact
- 25 Jun 2013

Science published in Cell Press journals continues to deliver high impact across the research community as reflected in the measures of citation recently released in the 2012 Journal Citation Reports (JCR) published by Thomson Reuters. Looking across impact factor (IF) and immediacy index as measures of a journal's short-term value as well as 5-year IF and cited half- life as indications of a journal's robustness and longevity, Cell Press journals made significant increases in multiple citation-based measures of impact.

Cell continues to lead in its field with an impact factor of 31.957, and remains the number one research journal in the Cell Biology and Biochemistry & Molecular Biology categories. Currently celebrating 25 years of exciting neuroscience, Neuron delivered strong growth in impact over the last 3 years, rising from 13.260 in 2009 to 15.766 in 2012. Now in its 50th volume, Molecular Cell's impact factor grew by 8 percent from 14.178 to 15.280. In just its 6th year of publication, Cell Stem Cell is holding steady with an impact factor of 25.315, having risen rapidly from 16.826 in 2008.

Seven of the fourteen Trends review journals published by Cell Press increased in impact. In particular Trends in Cognitive Sciences grew by 27 percent from 12.586 to 16.008, Trends in Biochemical Sciences went up from 10.847 to 13.076, an increase of over 20 percent, and Trends in Endocrinology & Metabolism grew by 10 percent to 8.901.

Launched in 2007, Cell Host & Microbe increased its immediacy index by 29 percent up from 2.274 in 2011 to 2.943, and Cell Metabolism's immediacy index increased by 24 percent from 2.624 to 3.250. Trends in Microbiology's immediacy index went up by 58 percent from 1.365 to 2.153, and other notable increases include Trends in Cognitive Sciences (64%), Trends in Immunology (24%), and Trends in Pharmacological Sciences (24%). For many of these journals the trends of increase in the 2-year IF and immediacy index are also reflected in the 5-year IF and cited half-life.

In 2012 the Cell Press primary research and Trends review journals received over 715,000 citations, representing 6 percent growth on 2011. As well as considering traditional citation-based measures, several months ago Cell Press added article-level altmetrics to its website so that readers can track the real-time community response to individual papers.

Cell Press Publishes Articles of the Highest Relevance and Impact According to JCR 2012.

Royal Society of Chemistry journals continue to show Impact Factor growth
- 24 Jun 2013

The Royal Society of Chemistry has announced that its publishing portfolio has once again shown outstanding excellence, with the publication of the latest Impact Factors (IF) report from Thomson Reuters. Six out of the top 20 multidisciplinary chemistry journals are published by the RSC.

The RSC reportedly has more journals than any other publisher in the top 20 for 5-year impact factors, demonstrating that the society is consistently publishing high quality research. Altogether, more than 30 percent of RSC journals have an IF greater than 5.000, and more than a quarter of the RSC's journals are in the top 10 percent of their ISI category.

Natural Product Reports came out top in both the 'Chemistry: Medicinal' and 'Chemistry: Organic' categories with a figure of 10.178. Other individual journal highlights include: Energy & Environmental Science (11.653), Chemical Science (8.314), Green Chemistry (6.828) and Chemical Communications (6.378).

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IOP Publishing journals show Impact Factor growth for ninth consecutive year
- 21 Jun 2013

IOP Publishing, a wholly owned subsidiary of the Institute of Physics, has announced that the 2012 Impact Factors, published by Thomson Reuters, show growth for many of its journals for the ninth consecutive year.

This year, 33 of the titles published by IOP have seen an increase in citations from last year. Additionally, 26 titles have had an increase of over 5 percent and 53 percent of IOP's journals have Impact Factors above 2.000.

There were high performances from individual journals. The Journal of Physics G: Nuclear and Particle Physics increased by 27 percent to 5.326. Journal of Physics B: Atomic, Molecular and Optical Physics increased by 8 percent to 2.031. Bioinspiration & Biomimetics increased by 24 percent to 2.142. Science and Technology of Advanced Materials, published in partnership with the National Institute of Materials Science, increased by 7 percent to 3.752. Journal of Optics increased by 27 percent to 1.990 and Nonlinearity, published in partnership with the London Mathematical Society, increased by 16 percent to 1.602.

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Global Nature Publishing Index 2012 supplement released, United States continues to dominate world science
- 21 Jun 2013

The United States remains the superpower of science, dominating a ranking of the world's top 200 institutions in 2012, published in the first Nature Publishing Index (NPI) Global supplement. The UK, Germany and Japan make up a solid top four countries in terms of high quality science output. China is nipping at France's heels for the number five slot. The NPI ranks countries and institutions according to their output of primary research articles in the 18 Nature research journals in 2012, and includes data from 2008-2011 for comparison.

The United States was number one in the Global Top 100 countries for science in 2012 by a clear margin, in front of the UK and Germany respectively. US institutions claim 32 of the top 50 positions in a ranking of the world's top 200 institutions. Harvard University was the number one scientific institution in the world, with as many articles in Nature research journals in 2012 (368) as the whole of China (303). Stanford University, Massachusetts Institute of Technology (MIT), National Institutes of Health (NIH) and the University of Washington also featured in the global top 10.

Identified by the supplement editors as one of its five 'countries to watch', authors based in China contributed 8.5 percent of all research papers published in Nature research journals in 2012. The country also had nine institutions in the Top 200 - up from three in 2011. The supplement editors predict that China will overtake France in the 2013 rankings.

The other 'countries to watch' - Brazil, Ireland, Kenya and Saudi Arabia - are currently publishing relatively small numbers of articles in Nature research journals, but are making gains. Ireland has jumped from 30th to 20th in the NPI between 2008 and 2012, while Brazil has moved up seven places to 27th. Saudi Arabia is one of the world's fastest improvers with a marked increase in research articles and similarly Kenya has made an ascent up the NPI ranking to 38th place.

The Global Nature Publishing Index 2012 supplement is available online at nature.asia/publishing-index-global and is published as a supplement to Nature. The ranking is a snapshot based on papers published in 2012, with 2008-2011 data also included to show trends.

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China boosts top quality science publications by 35 percent in 2012
- 31 May 2013

Authors based in China contributed 8.5 percent of all research papers published in Nature branded journals in 2012, up 35 percent on 2011 figures. This is according to the Nature Publishing Index 2012 (NPI) China, published as a supplement to Nature. Authors from institutions in China contributed 303 papers published in Nature branded journals in 2012, up from 7.0 percent (225) in 2011 and 5.3 percent (152) in 2010. In 2000, just six articles published in Nature branded journals had co-authors from institutions in China.

The data released in the NPI adds to evidence that China is rapidly boosting its quality research output, and becoming a global leader in scientific publishing and scientific research. A global analysis will be released in June 2013. China is expected to have made gains in 2012 against nations that traditionally lead in scientific outputs.

The supplement offers insights into how national investments, institutions and cities have contributed to China's rapid scientific expansion.

The top two institutions remain stable from 2011 to 2012: the Chinese Academy of Sciences (CAS) leads, followed by the University of Science and Technology of China (USTC). Tsinghua University, Peking University, and Shanghai Jiao Tong University (SJTU) complete the top five. In sixth place, BGI was a strong performer in 2012, up from tenth in 2011. An analysis in the NPI indicates that SJTU and Zhejiang University (seventh in 2012, up from 11th in 2011) are rapidly growing their high quality research output. The NPI also provides indicators that China, traditionally strong in physical sciences, is making gains in high quality life sciences research.

The Nature Publishing Index 2012 China supplement also presents a ranking by city. Beijing continues to dominate, followed strongly by Shanghai. Hefei, Hong Kong and Wuhan round out the top five cities.

The NPI measures the output of research articles from nations and institutes in terms of publications in the 18 Nature-branded primary research journals in 2012. The Nature Publishing Index 2012 China supplement is available online at nature.asia/publishing-index-/china and is published as a supplement to Nature. The ranking is a snapshot based on papers published in 2012, with 2008–2011 data also included to show trends. The index, updated weekly, is available at www.natureasia.com/publishing-index/china.

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Wiley launches trial of Altmetric service on subscription and OA articles
- 21 May 2013

Publisher John Wiley & Sons, Inc. has launched a trial of Altmetric, a service that tracks and measures the impact of scholarly articles and datasets on both traditional and social media. The six month trial will run on a number of subscription and open access journals published by Wiley including Advanced Materials, Angewandte Chemie, BJU International, Brain and Behavior, Methods in Ecology and Evolution and EMBO Molecular Medicine.

As part of the trial, Altmetric will track social media sites like Twitter, Facebook, Google+, Pinterest, blogs, newspapers, magazines and online reference managers like Mendeley and CiteULike for mentions of scholarly articles published in the journals included in the trial. Altmetric will create and display a score for each article measuring the quality and quantity of attention that the particular article has received. The Altmetric score is based on three main factors: the number of individuals mentioning a paper, where the mentions occurred and how often the author of each mention talks about the article.

Article level metrics are emerging as important tools to quantify how individual articles are shared, used and discussed. These are being used in conjunction with more traditional metrics focused on long-term impact of a collection of articles found in a journal based on the number of citations.

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China to overtake Japan in research output, says Nature Publishing Index
- 22 Mar 2013

Nature Publishing Group has released the lead conclusions of the 2012 Nature Publishing Index (NPI) 2012 Asia-Pacific, published in the journal Nature. According to the supplement, Japan continues to lead the Asia-Pacific in research output, but it could be overtaken by China in the coming years. The top institution in the region in 2012 was The University of Tokyo, but it will almost certainly lose its crown to the Chinese Academy of Sciences (CAS) in 2013. Indeed on a rolling 12-month window to mid-March, the CAS has a substantial lead.

According to the Nature supplement, Asia's scientists are publishing more high quality basic science than ever before: more than 28 percent of articles published in the Nature research journals have an author from the Asia-Pacific region, compared with 19 percent in 2008. Japan's publication output increased despite the diversion of resources into rebuilding infrastructure after the 2011 earthquake and tsunami.

China is still in second place, but it is growing faster than Japan and may take first place within a couple of years. Most Chinese institutions in the Asia-Pacific top 200 improved their ranking in the past year. Australia is in third place, and leads the region in earth and environmental science publications. Its top institution, the University of Melbourne, rose to sixth in the Asia-Pacific region. James Cook University in Townsville continues to be the fast improver, up at 30th in 2012 from 351st in the region in 2008.

South Korea sits firmly in fourth place with almost double the output of fifth-ranked Singapore. Its publication output dropped slightly in 2012, but new president, Park Geun-hye, plans to increase investment in R&D as a proportion of GDP to 5 percent by 2017. Singapore had the greatest proportional increase of any of the top eight countries over the year. The National University of Singapore is the highest ranking institution in Singapore. This year, Taiwan consolidated the sixth spot, ahead of India and New Zealand both of whose output dropped slightly.

The NPI Asia-Pacific 2012 measures the output of research articles from nations and institutes published in the 18 Nature-branded primary research journals over the calendar year. The supplement provides a snapshot of research in the Asia-Pacific in 2012.

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IOP Publishing journals witness significant Impact Factor growth
- 02 Jul 2012

Non-profit scientific publisher Institute of Physics (IOP) Publishing, UK, has announced that the 2011 Impact Factors published by Thomson Reuters, once again show significant growth for many of the journals published by IOP Publishing (IOP) for the eighth year running.

This year, 34 of the titles published by IOP have seen an increase in citations from last year. Additionally, 17 titles have had an increase of over 10 percent and 50 percent of IOP's journals have Impact Factors above 2.000.

There were high performances from individual journals. In the Journal of Physics series there have been significant increases for Journal of Physics: Condensed Matter (2.546), Journal of Physics D: Applied Physics (2.544) and Journal of Physics G: Nuclear and Particle Physics (4.178). As relative newcomers in the journals' market, both Environmental Research Letters (3.631) and Journal of Neural Engineering (3.837) have established themselves with significant increases in Impact Factor this year.

New Journal of Physics, the company’s first open access title, published in partnership with Deutsche Physikalische Gesellschaft, received its highest ever Impact Factor of 4.177. Nanotechnology (3.979) and Reports on Progress in Physics (14.720) witnessed significant increases as both journals claim to be the largest of their kind - Nanotechnology in publishing full length primary research devoted to all aspects of nanoscale science and technology and Reports on Progress in Physics, the biggest review journal in its category.

In the field of materials science, Science and Technology of Advanced Materials, an open access journal funded by National Institute for Materials Science, has increased to 3.513 and Modelling and Simulation in Materials Science and Engineering has increased by 66 percent to 2.298.

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Nature Communications joins Nature at the top of the multidisciplinary sciences category in 2011 JCR
- 02 Jul 2012

Scientific publisher Nature Publishing Group (NPG), UK, has announced that Nature Communications has joined Nature at the top of the multidisciplinary sciences category in the 2011 Journal Citation Report (JCR). The journal received its first impact factor of 7.396, when Thomson Reuters published the 2011 JCR. Nature remains the leading multidisciplinary science journal (1/55), with an Impact Factor of 36.280, followed by Science (31.201), PNAS (9.681) and Nature Communications (7.396).

Launched in April 2010, Nature Communications is a multidisciplinary online-only journal publishing high quality research across the biological, physical, and chemical sciences. The journal offers authors the option to make their published article open access, through payment of an article processing charge (APC).

Nature Publishing Group (NPG) achieved outstanding results in the 2011 JCR. Eighteen NPG titles are in the top 50 journals by Impact Factor of the 8281 titles included in the JCR Science Edition. A number of titles published by NPG lead their JCR categories. These include: Nature Geoscience, Nature Materials, Nature Medicine, Nature Methods, Nature Nanotechnology, Nature Photonics, Nature Reviews Drug Discovery, Nature Reviews Genetics, Nature Reviews Microbiology, Nature Reviews Molecular Cell Biology, Nature Reviews Neuroscience, Molecular Psychiatry and Journal of Investigative Dermatology.

Nature is the most highly cited journal in the JCR for a second year, with 526,505 citations in 2011.

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Tools to assess research impact at the article level gaining ground
- 28 May 2012

The impact of academic research has long been measured using citations, often with the Journal Impact Factor being used to assess individual publications within it, it has been observed. However, the Impact Factor is a journal level - not an article level - metric and, as academic publishing and the surrounding discussion move increasingly onto the web, novel opportunities to track and assess the impact of individual scientific publications have emerged.

These web-based approaches are starting to offer an article-level perspective of the way research is disseminated, discussed and integrated across the web. The hope is that a broader set of metrics to complement citations will eventually give a more comprehensive view of article impact, and help to make the most relevant and important publications discoverable to individuals, based on their interests.

Altmetric.com is seen as one of a growing number of web-based tools taking a novel approach to the assessment of scholarly impact – it aggregates the mentions on Twitter and social media sites, and coverage in online reference managers, mainstream news sources and blogs to present an overview of the interest a published article is receiving online.

To take impact factor to the article level, open access publisher BioMed Central has reportedly added the Altmetic.com 'donut' to the about page of published articles. The donut will display for articles receiving coverage which has been tracked by Altmetric.com, along with an article score.

The donut visualisation shown on the 'about this article' page aims to convey information about the type of attention the article has received - the colours surrounding it reflect the mix of sources. The link takes the reader to a summary of the activity surrounding the article, including a geographical breakdown of coverage on Twitter.

The addition of the donut is aimed to supplement BioMed’s existing article-level measures of impact – article accesses and citations are displayed on all 'about this article' pages, and links to Faculty of 1000 appear when articles are reviewed. Articles that have been especially highly accessed, relative to their age and the journal in which they were published, are awarded the highly accessed tag.

As more indicators of article performance, visibility and impact emerge, the hope is that authors, readers and funding institutions will be able to assess research impact in a way which is more informed than relying on Impact Factors alone. Research into the web based metrics or 'altmetrics' is a gathering pace, and as more data becomes available, so do attempts to tease apart the relationship between established and emerging measures of impact (high visibility of course does not mean high quality or citation count). BioMed plans to keep adding to this range of metrics and indicators as they continue to expose a fuller image of research impact.

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China set to become global leader in science publishing, according to Nature index
- 24 May 2012

China presently publishes more than 6 percent of the papers published in Nature journals, according to the Nature Publishing Index 2011 China. Published as a supplement to Nature, the index is seen to provide yet more evidence that China is fast becoming a global leader in scientific publishing and scientific research.

Papers with authors from China represent 6.6 percent (225) of the 3,425 papers published in Nature journals in 2011, up from 5.3 percent (152 papers) in 2010. By comparison, authors from China published just 12 papers in Nature journals in 2000. Notably, of the 225 papers published in 2011, 48 were published in Nature Communications, which launched in April 2010.

The Nature Publishing Index 2011 China also presents a new analysis of ISI Web of Knowledge data, showing that China now publishes more than 10 percent of the world's most cited scientific research. China increased its share of the top 1 percent of highly cited scientific articles from 1.85 percent (127 out of 6,874 articles) in 2001 to 11.3 percent (1,158 out of 10,238 articles) in 2011, and now ranks fourth globally. By 2014, China could surpass Germany and the UK, who currently hold second and third places, says Felix Cheung, Editor of Nature China and of the supplement. The US, which leads the world, has seen its share of highly influential research drop from 64.3 percent (4,420 out of 6,874 articles) in 2001 to 50.7 percent (5,190 out of 10,238 articles) in 2011.

The supplement offers insights into how national investments, institutions and cities have contributed to China's rapid scientific expansion.

The top 10 Chinese institutions of 2011 are: the Chinese Academy of Sciences (CAS), the University of Science and Technology of China (USTC), Peking University, Tsinghua University, Hong Kong University of Science and Technology (HKUST), Xiamen University, Shanghai Jiao Tong University (SJTU), the University of Hong Kong (HKU), Nanjing University and BGI Shenzhen.

The Index measures the output of research articles from nations and institutes in terms of publications in the 18 Nature-branded primary research journals in 2011, with 2010 and 2009 data included for comparison.

The Nature Publishing Index 2011 China supplement is available online at www.natureasia.com/en/publishing-index/china/2011/ and is published as a supplement to Nature. The ranking is a snapshot based on papers published in 2011, with 2010, 2009 and three-year total (2009-2011) data included for comparison. The index, updated weekly, is available at www.natureasia.com/publishing-index/china.

Japan retains top rank in Nature Publishing Index 2011 Asia-Pacific
- 23 Mar 2012

Japan retains its scientific leadership in the Asia-Pacific in 2011, according to the Nature Publishing Index 2011 Asia-Pacific. It is a strong performance, given the March 2011 earthquake and tsunami, which caused over $1 billion damage to science infrastructure in the nation. Japan is the most productive of the Asia-Pacific countries, followed by China, Australia, Korea and Singapore.

Firmly entrenched in top spot in the Index, Japan has dramatically increased its publishing output in 2011 compared with 2010. Second-placed China, with its booming economy, is the real mover, increasing its proportion of the Nature research journal articles from the region at the expense of the other four top-ranking countries. Australia has consolidated its third place in the Index, and Korea has kept well ahead of Singapore in fifth place. It is at this level that we may see changes in 2012, with Taiwan (sixth) and India (seventh) both coming closer to challenging Singapore.

Asia-Pacific countries have reportedly weathered the global financial crisis far better than those in the US and Europe, and the Index shows that scientific research in the Asia-Pacific is also flourishing. In 2011, one in four papers published in Nature research journals has at least one author from the Asia-Pacific region, and 10 percent of global publications in Nature research journals include a Japanese author.

The Index seeks to provide an insight into the quality and impact of Asia-Pacific science and is published as a supplement to Nature today. It measures the output of research articles from nations and institutes in terms of publications in the 18 Nature-branded primary research journals in 2011. To place the Asia-Pacific results in context, Nature Publishing Group is also releasing a global (beta) version of the 2011 Index ranking the world’s top 100 research institutes, which include seven from Japan, three each from China and Australia, and one from Korea.

As the Nature research journals expand their coverage of natural sciences, the outputs of most countries have increased. But the Asia-Pacific countries have increased their presence as a proportion of the global contribution. In 2011, 25.6 percent of papers in Nature primary research journals have at least one author from the Asia-Pacific; up from 22.2% in 2010 and 19.9% in 2009.

The supplement provides a snapshot of research in the Asia-Pacific in 2011. To see the latest results for the region, and the Nature Publishing Index Global Top 100 (beta), visit the Index website at www.natureasia.com/en/publishing-index. The data posted on the website is updated every week with a moving window of 12 months of data.



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HighWire Press unveils 5-star article rating feature on new journal SAGE Open
- 07 Sep 2011

HighWire Press, a not-for-profit division of Stanford University Libraries, has unveiled a 5-star article rating feature on the newly launched peer-reviewed research journal, SAGE Open (www.sageopen.com). The feature seeks to give readers the opportunity to weigh in on the quality and impact of a particular article in a transparent open community forum.

As a supplement to the basic peer review that is practiced by the rapid publication process for open access journals, article-level comments and ratings offer real-time feedback from readers, allowing them to contribute publicly in the scholarly journal discussion. Over time, as the article accrues comments and ratings, the combined scores will are expected to become more and more meaningful as a metric to evaluate its importance and quality.

SAGE Open, a new publication created to support open access publishing in the social and behavioural sciences and the humanities, allows colleagues to share their insights about the quality of papers online. In order to rate an article, contributors must be a registered user of SAGE Journals Online (online.sagepub.com).

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Taylor & Francis reports strong performance in the Social Science Edition of 2010 Journal Citation Reports
- 09 Aug 2011

Academic publisher Taylor & Francis Group, a division of Informa plc, has announced that it is now the largest global publisher of ranked Social Science journals. According to the publisher, it has seen more titles newly listed in the Social Science Edition of the 2010 Thomson Reuters Journal Citation Reports (JCR) than any other publisher.

Seven hundred and eighty four titles are now included in the Web of Science. About 659 Taylor & Francis titles have been ranked with an impact factor in the 2010 Thomson Reuters JCR.

The number of Taylor & Francis titles included in the Web of Science has increased by 15 percent from last year and by 34 percent from June 2009. The number of JCR-listed journals published by Taylor & Francis Group is 28 percent higher than in the 2009 release. The company claims to have had 110 newly-listed titles in the JCR this year with a further 33 titles due to receive Impact Factors in the next few years.

Taylor & Francis now publishes the top ranked title in 10 subject areas with a further 66 titles ranked in the top ten of their subject category.

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Informa Healthcare reports significant increases in journal impact factors
- 28 Jul 2011

Medical and scientific publisher Informa Healthcare, UK, has compiled the results of recent Impact Factors published by Thomson Reuters. According to results from the 2010 Journal Citation Reports (JCR), the influence from Informa Healthcare journals has grown during the past year.

Informa increased journal Impact Factors for 80 journals targeting niche communities. Improved categorical rankings for these journals coupled with strong performance across rapid-publication titles are said to demonstrate the quality of papers being published.

The Critical Reviews series had significant increases to three titles - Critical Reviews in Microbiology (up 67% to 5.345), Critical Reviews in Biotechnology (up 48% to 5.281), and Critical Reviews in Clinical Laboratory Sciences (up 28% to 5.741). The Expert Opinion series seeks to provide authoritative analysis to support every stage within the pharmaceutical R&D pipeline with key increases to Expert Opinion on Therapeutic Patents (up 88% to 2.412), Expert Opinion on Emerging Drugs (up 36% to 3.284), and Expert Opinion on Drug Delivery (up 34% to 4.482).

Other highlights across the journal portfolio include: Current Medical Research & Opinion (CMRO) increased to 4% to 2.609. Other notable increases included Harvard Review of Psychiatry (up 63% to 2.197), Journal of Maternal Fetal and Neonatal Medicine (up 52% to 2.071), Chronobiology International (up 40% to 5.576), Acta Oncologica (up 38% to 3.137), Cytotherapy (up 33% to 2.925), Free Radical Research (up 27% to 2.805), International Reviews of Immunology (up 23% to 3.239), Drug Metabolism Reviews (up 15% to 6.263), and Amyotrophic Lateral Sclerosis (up 15% to 3.397).

Eight journals also scored their first Impact Factor including COPD: Journal of Chronic Obstructive Pulmonary Disease (2.250), Journal of Cosmetic and Laser Therapy (1.849), Expert Opinion on Drug Discovery (1.495), and International Journal of Speech Language Pathology (1.120).

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Emerald reports continued growth in impact factors
- 21 Jul 2011

Academic publisher Emerald Group Publishing, UK, has announced growth of impact factors across its portfolio following the recent publication of the 2010 Journal Citation Report (JCR) by Thomson Reuters.

27 titles have recorded an increase in their impact factor, which measures the average citations to articles published in a journal. Six titles have received an impact factor for the first time, taking the total number of titles to 54 indexed in the Science Citation Index and the Social Science Citation Index, the highest in the company's history.

Among notable performances is the International Journal of Physical Distribution & Logistics Management, which has received Emerald's highest ever impact factor, 2.617; Supply Chain Management recorded its highest ever 5-year impact factor of 3.427. The Journal of Managerial Psychology has also recorded a first-time impact factor over 2.000, and ten other titles have improved their rankings within subject categories.

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RSC Publishing announces increase in impact factor for its journals
- 12 Jul 2011

Scientific publisher RSC Publishing, the publishing arm of the Royal Society of Chemistry, UK, has announced overall increases in impact factor for RSC journals.

The average impact factor (IF) now stands at 5.5. RSC Publishing figures have risen by 59 percent since 2003 - almost double the average increase for chemistry publishers. Of the top 20 journals in the multidisciplinary chemistry category, six are from RSC Publishing. Eighty three percent of RSC journals listed in this year's report have an IF above 3.

Results of particular note included Chemical Society Reviews, which now has an IF of 26.58, Chemical Communications at 5.79, and Energy & Environmental Science's rise to 9.45 maintains its position as the leading Environmental Science journal.

Newly-launched journals that received impressive first IFs include Nanoscale (7.00), Integrative Biology (4.44) and Metallomics (3.59)

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Lippincott Williams & Wilkins reports significant gains in 2010 impact factor rankings
- 12 Jul 2011

Healthcare publisher Lippincott Williams & Wilkins (LWW), a Wolters Kluwer Health business, has announced significant gains in 2010 Impact Factor (IF) scores and specialty rankings across its portfolio of journals based on the 2010 Journal Citation Reports (JCR).

Improvements in specialty rankings were strong with 23 LWW-published titles holding 28 spots in the top 5 rankings across 18 specialties, and an impressive 50 titles holding 57 top 10 positions across 30 specialties. Gains in IFs were seen by half of the LWW titles included in the 2010 JCR, with 24 titles moving 25 percent or greater. The average increase among two-thirds of LWW published journals with an IF was a standout 27 percent from 2009 to 2010.

LWW titles posted notable gains in their specialties led by Anesthesiology (IF 5.486) taking over the top ranked position in the Anesthesiology category. In the Peripheral Vascular Disease category, LWW publishes all of the top five and seven of the top 10 ranked journals in this specialty. The category is led by Circulation (IF 14.429), published on behalf of the American Heart Association, which also holds the #1 position in Cardiac and Cardiovascular Systems. In Surgery, Annals of Surgery (IF 7.474) maintains its position at #1 in IF ranking and was the most frequently cited journal in its specialty in 2010. In the nursing category, LWW has two of the top five journals, including Cancer Nursing (IF 2.065) which moved from 5th place up to the 2nd ranked position.

Other top performers include Neurology (IF 8.017), published on behalf of the American Academy of Neurology, as the most frequently cited journal in Clinical Neurology (ranked #4 in IF) with more than 72,000 total citations in 2010. In the Transplantation category, Transplantation (IF 3.676) was the most frequently cited journal in 2010 with 26,665 citations (ranked at #4 in IF).

A total of 15 LWW published titles were newly recognised by the 2010 JCR including three titles from the American Heart Association's portfolio - Circulation: Cardiovascular Genetics; Circulation: Cardiovascular Interventions; and Circulation: Cardiovascular Quality & Outcomes. Three titles from LWW's Current Opinion series were added to the JCR list including, Current Opinion in Anesthesiology; Current Opinion in Endocrinology, Diabetes & Obesity; and Current Opinion in Otolaryngology and Head and Neck Surgery.

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2010 rankings of Asia-Pacific research institutions as per Nature Publishing Index released
- 25 Mar 2011

Science journal Nature has published a supplement this week on the 2010 rankings of research institutions and countries in the Asia-Pacific based on the Nature Publishing Index, a measure of the output of research articles in Nature journals. This was announced by Nature Editor-in-Chief Philip Campbell.

The rankings in this supplement seek to provide snapshots of the Asia-Pacific in 2009 and 2010. Simultaneously with the launch of the Asia-Pacific rankings, a new global version of the index as a beta website - the Nature Publishing Index Global Top 50 (www.natureasia.com/en/publishing-index/global) - was also released. The Nature Publishing Index Global Top 50 is produced in collaboration with Digital Science, a new division of Macmillan Publishers Ltd., owner of Nature.

Nature has stated that the global index ranks the top 50 institutions in the world according to the same criteria, thus enabling the Asia-Pacific rankings to be put in a global context. According to Campbell, any index has its limitations and needs to be deployed with care. The compilation of the data as well as important caveats are explained in the websites and in the supplement, which was completed before the recent terrible events that afflicted Japan. The Nature Publishing Index is just one to be used alongside many. What the indices seek to offer is an insight into some of the highest-quality basic research emerging from the leading institutions in the Asia-Pacific region and around the globe.

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US dominates Nature Publishing Index Global Top 50
- 24 Mar 2011

Institutions in the US dominate a new ranking of the world's top 50 institutions. The Nature Publishing Index Global Top 50 ranks the top 50 institutions in the world, according to their output of primary research articles in Nature research journals in 2010. Launched as a beta website at www.natureasia.com/publishing-index/global, the Index is a collaboration with Digital Science, a sister division of Macmillan Publishers Ltd.

US institutions occupy 33 of the top 50 positions, with Harvard University in first place and Stanford University, MIT, NIH, Yale University, California Institute of Technology and Columbia University also in the top ten. Six of the campuses of the University of California feature in the top 50, and if all ten were aggregated together the University of California system would be ranked number one.

The launch of the beta site for the Nature Publishing Index Global Top 50 coincides with the publication of the Nature Publishing Index 2010 Asia Pacific, a supplement that provides a snapshot of 2010 rankings of research institutions and countries in the Asia-Pacific region. The Nature Publishing Index puts the Asia-Pacific rankings in a global context. The Asia-Pacific rankings are available at www.natureasia.com/publishing-index and feature a 12-month rolling window of data, updated weekly.

Five institutions from Asia feature in the top 50. These include four from Japan and one from China. The University of Tokyo, number one in the Asia-Pacific, is number six in the global rankings, followed by RIKEN at 23, Kyoto University at 25, Osaka University at 33, and the Chinese Academy of Sciences at 32.

The Index results should be used with some caveats. The Index only covers Nature and the 16 Nature research journals, so while it offers broad coverage of basic research in the life sciences, physical and chemical sciences, coverage of applied sciences, engineering and clinical medicine is relatively limited, and so the index should be used primarily as an indicator of strength in high quality basic research. It does not incorporate publication in other high quality journals. The Index also only considers one factor- publication output in one family of journals. It does not weight multiple factors in the way that other rankings do, such as the Shanghai Academic Ranking of World Universities or the Times Higher Education World University Rankings.

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