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Citation Statistics / Analyses / Enhancements

Clarivate Analytics unveils 2017 Journal Citation Reports
- 15 Jun 2017

Clarivate Analytics, formerly the Intellectual Property&Science business of Thomson Reuters, has released the 2017 Journal Citation Reports (JCR), an annual update of the most influential and comprehensive resource for information on highly cited, peer-reviewed publications and the source of Journal Impact Factor (JIF) scores.

Since 1973, the JCR has provided an assessment of a journal's standing in scholarly literature through the objective evaluation of statistical information, which only a publisher-independent company such as Clarivate Analytics, can provide. The analysis comprises citation data, impact and influence metrics, and millions of cited and citing journal data points from the Web of Science, the citation index in the sciences, social sciences and arts and humanities.

The JCR offers a variety of metrics to analyse journal activity - from open access to ranking top journals by disciplines, further enabling publishers, editors and researchers to better understand and measure the impact of their activities on addressing issues such as global health and climate change through their research.

Despite the thousands of papers published on climate change, controversy still lingers. To help add clarity to what the research data is revealing, the JCR identifies the top five research fields in climate change as Environmental Sciences, Meteorology&Atmospheric Sciences, Geosciences-Multidisciplinary, Ecology and Geography-Physical.

The 2017 JCR release, which represents 2016 citation data for literature within the sciences and social sciences, features 11,459 journal listings in 236 disciplines with 81 countries represented. A total of 132 journals received their first JIF in this report; 66 percent of journals saw a year-over-year increase in their JIF and 33 percent saw a decrease. These high-impact journals are at the heart of the Web of Science, the most comprehensive network of citations of over 33,000 journals.

The Journal Impact Factor is the ratio of 2016 citations to articles published in that journal in the two previous years. To ensure the JIF remains transparent to the research community, Web of Science will provide direct links to the source documents comprising the JIF denominator in later 2017. In addition, with 2018 JCR release, direct links will also extend to the JIF numerator.

As Clarivate Analytics continues to accelerate its investment in innovation, reinforced by the acquisition of Publons, the release of the JCR also includes new enhancements such as Percent Citable Items and new filters making analysis of the JCR easier. Percent Citable Items shows the percentage of a journal's content that is considered 'citable' for the JIF calculation.

JCR is available on InCites, an integrated web-based platform powered by data from the Web of Science. It is used for measuring research output and impact, monitoring trends and benchmarking articles, journals, institutions and researchers.

In addition, JCR Journal Impact Factor Quartile metrics will be added to InCites Benchmarking&Analytics. Institutions evaluating the impact of their research can use journal quartiles to better understand the portion of their faculty's output that is published in top journals, as well as track changes over time.

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CiteScore releases 2016 annual values and updates
- 05 Jun 2017

Elsevier, a global information analytics company specialising in science and health, has released CiteScore 2016 annual values and a number of improvements to its set of simple, reproducible serial metrics that cover all journals, book series, conference proceedings and trade publications in Scopus.

CiteScore metrics now include 2016 annual values. There are eight indicators that are part of CiteScore metrics, including CiteScore Tracker, which enables users to monitor progress on a monthly basis, eliminating the need to wait until mid-year to see how a title performed in the previous year.

A number of improvements have been made to CiteScore metrics based on user feedback. Most significantly, complete transparency has been added to the metrics so that users can validate any CiteScore value by clicking into the numerator (citations) and denominator (documents) to view the underlying documents used for the calculation. Scopus subscribers and non-subscribers are able to access CiteScore metrics and their underlying data. Scopus is the largest abstract and citation database of peer-reviewed literature: scientific journals, books, conference proceedings and trade publications.

CiteScore metrics were launched in December 2016 in response to academia's call for metrics that provide a broader, more transparent view of an academic journal's citation impact. CiteScore metrics are part of a basket of metrics available on Scopus (including journal, author, institutional, and article-level metrics), supporting a holistic view of research performance.

CiteScore metrics have been developed as a tool to help researchers in deciding where to publish, what to read and with whom to collaborate; for librarians and information specialists in managing their collections and enriching researcher services around metrics; for institutional leaders in showcasing the research being published and evaluating research strategy; and for publishers in measuring the performance of their titles and portfolios.

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Emerald titles increase strong CiteScore position
- 02 Jun 2017

The first full release of the CiteScore metric for 2016 from Scopus has seen Emerald increase the quality measures for over 57% of its journals, on a like-for-like basis compared to 2015's figures.Following on from CiteScore's launch in December 2016, Emerald remains the publisher with the most journals in the Business, Management&Accounting field, with over 16% of the whole sector.

Launched by Elsevier, CiteScore is one of a number of measures that help provide a holistic overview of a Scopus-indexed journal or serial title's performance in Scopus. CiteScore metrics comprise a variety of indicators, making them part of a basket of metrics that provides a more balanced view of journal or serial quality than one indicator alone would.

CiteScore is a simple way of measuring the citation impact of journals and book serials. It calculates the number of citations received in a calendar year by all items published in that journal in the preceding three years. CiteScore is drawn from over 20,000 journals in its database, which is nearly twice as many as those that are given an Impact Factor.

In addition to the CiteScore, Scopus also provides more granular data on journals in a basket of metrics designed to give researchers more detailed information - the basket of data includes the annual CiteScore metric, a monthly CiteScore Tracker, CiteScore Quartiles and CiteScore Percentiles.

Brought to you by Scope e-Knowledge Center, a world-leading provider of Abstracting&Indexing (A&I) Services, Knowledge Modeling Services (Taxonomies, Thesauri and Ontologies), Metadata Enrichment&Entity Extraction Services.
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Initiative for Open Citations (I4OC) launches with early success
- 07 Apr 2017

There is fresh momentum in the scholarly publishing world to open up data on the citations that link research publications. Six organisations have announced the establishment of the Initiative for Open Citations (I4OC). These include OpenCitations, the Wikimedia Foundation, PLOS, eLife, DataCite, and the Centre for Culture and Technology at Curtin University.

Until recently, the vast majority of citation data were not openly available, even though all major publishers freely share their metadata through the foundational infrastructure provided by Crossref. Before I4OC started, only about 1% of the publications with reference data deposited in Crossref made their references freely available. Now, that figure will jump to 40%.

In recent months, several publishers have made the decision to release these metadata publicly, including the American Geophysical Union, Association for Computing Machinery, BMJ, Cambridge University Press, Cold Spring Harbor Laboratory Press, EMBO Press, Royal Society of Chemistry, SAGE Publishing, Springer Nature, Taylor&Francis, and Wiley. These decisions stem from discussions that have been taking place since a call-to-action to open up citations was made by Dario Taraborelli of the Wikimedia Foundation at the 2016 OASPA Conference on Open-Access Publishing. These publishers join other publishers who have been opening their references through Crossref for some time.

The purpose of I4OC is to coordinate these efforts and to promote the creation of a comprehensive, freely-available corpus of scholarly citation data. Such a corpus will be valuable for new as well as existing services, and will allow many more interested parties to explore, mine, and reuse the data for new knowledge.

The key benefits that arise from a fully open citation dataset include the establishment of a global public web of linked scholarly citation data to enhance the discoverability of published content, both subscription access and open access. This will particularly benefit individuals who are not members of academic institutions with subscriptions to commercial citation databases; the ability to build new services over the open citation data, for the benefit of publishers, researchers, funding agencies, academic institutions and the general public, as well as enhancing existing services; the creation of a public citation graph to explore connections between knowledge fields, and to follow the evolution of ideas and scholarly disciplines.

The Internet Archive, Mozilla, the Bill&Melinda Gates Foundation, the Wellcome Trust, and 29 other projects and organisations have formally put their names behind I4OC as stakeholders in support of openly accessible citations.

The creation of I4OC was spearheaded by Jonathan Dugan, Martin Fenner, Jan Gerlach, Catriona MacCallum, Daniel Mietchen, Cameron Neylon, Mark Patterson, Michelle Paulson, Silvio Peroni, David Shotton, and Dario Taraborelli.

Brought to you by Scope e-Knowledge Center, a world-leading provider of metadata services, abstraction, indexing, entity extraction and knowledge organisation models (Taxonomies, Thesauri and Ontologies).
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Altmetric becomes only altmetrics provider to offer up-to-the minute citation counts from Web of Science
- 15 Feb 2017

Data science company Altmetric has announced the integration of Clarivate Analytics Web of Science citation data to the Explorer for Institutions (EFI) platform. Altmetric is the only alternative metrics provider to integrate this data, enabling users to compare the academic and broader impacts of a single research output at the click of a button.

Users will now be able to see the Web of Science citation count and up to three citing articles in a new tab in Altmetric details pages accessed via EFI. The details pages provide a full record of all of the online attention Altmetric has tracked for a single research output.

The integration is live now and available to customers who hold a current license to EFI and Web of Science Web Services Lite, Web of Science Web Services Expanded or InCites.

Brought to you by Scope e-Knowledge Center, a world-leading provider of metadata services, abstraction, indexing, entity extraction and knowledge organisation models (Taxonomies, Thesauri and Ontologies).
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