The Web of Science Group Releases 2019 Journal Citation Reports, Revealing the World's Most Influential Journals

Selected,structured and complete data in the Web of Science provide rich insights into the contribution and value of the world's most impactful scientific and research journals

LONDON,June 20,2019 --The Web of Science Group,part of Clarivate Analytics,released the 2019 update to its annual Journal Citation Report (JCR) today. The 2019 release aggregates the meaningful connections of citations created by the research community through the delivery of a rich array of publisher-independent data,metrics and analysis of the world's high-quality academic journals.

The JCR is the onlyjournalreport of its kindwhich isbothcompleteand editorially selective; it contains all the data required to understand the components that index the value and impact of each journal as it captures all citations to the journal - including non-article materials such as editorials and policy-relevant comment.It also allows the status of a publication in that journal to be better interpreted,as it captures andhighlightsthe network of references that connect one journal with another whilst identifying the key stakeholders – at institutional and international level – who lead that journal's community.

Thestructureddataarecurated bya global team ofexperts who continuously evaluate and select the collections of journals,books and conference proceedings covered in the Web of Science Core Collection to ensureaccuracy in evaluating journal impact. These expert insights enable researchers,publishers,editors,librarians and funders to explore the key drivers of a journal's value for diverse audiences,making better use of the wide body of data and metrics available in the JCR,including the Journal Impact Factor (JIF).

Keyhighlights for 2019:

The journals selected for inclusion: The database is maintained and updated to reflect the ceaseless progression of research and scholarship,allowing researchers to explore new fields and see what earlier research influences and impacts evolving fields.

This year 283 journals have been added,108 of which arefullyopen access. TheJCRreport reflectscover-to-cover indexing of 2.3 million articles,reviews and other source items. The 11,877 journals hail from 81 countries across five continents.

New categories added: Careful management of the subject categories by which the journals are organized is essential to maintaining a logical content relationship within the category and to ensure that the categories are relevant to researchers and can accommodate new research areas.

Thereport covers 236 disciplines,including the introduction of three new ones: Quantum Science & Technology (SCIE),Development Studies (SSCI) and Regional & Urban Planning(SSCI).

Cleansing of the list: Seventeen journals have been suppressed from the JCR this year to ensure the integrity of the reports,representing 0.14% of the journals listed. The JCR is the only citation index which monitors and excludes journals that demonstrate anomalous citation behavior including where there is evidence of excessive journal self-citation and citation stacking.

New features added:The 2019 updateincludes new benefits whichbuild on theinnovations from 2018,which delivered richer,more detailed information to enhance users' understanding of journal performance. We continuously improve our Journal Profile Page to emphasize our story around Journal Intelligence.For this 2019 release we have added:

An enhanced Article Match Retrieval link serviceso publishers candirectly link to the Journal profile page andpromotethis link on their website(s)

The ability to print/download the entire Journal profile page via the "Printable version" links 

New graphs to show boththe Journal's percentile rank in a category by JCR year within the Journal Impact Factor Tile andkey indicator metrics for a journal from within the Journal profile Page

A view of the breakdown of the "Uncited items" per article and the ability to view the Cited and Citing Journal Data in new JCR profile page.

The citation data,impact and influence metrics,and indicators contained within the JCR,are a vital resource forthe entire research community:publishers,librarians,funders,institutions and individualacademics. Publishers use the JCR tounderstand how their journals are performing,and to benchmark themagainstothers intheirdiscipline.Librarians useittounderstandwhich journals are the most important to theirinstitutions andresearchers' success and work,andwhich journals to subscribe to.The JCR is used by researchers as a definitive list and guideto discover and select the most appropriate journals to read and in which to publishtheir research findings.

Keith Collier,Managing Director Publisher Services at the Web of Science Group said: "Each year,millions of scholarly articles are published containing tens of millions of citations. Each citation is a meaningful connection between two pieces of research,showing how research connects.  

"The JCR takes all of this selective,structured and comprehensive citation data and delivers it to the research community,so that they can make betterdecisions,leading to better outcomes.The journal selection that underpins the JCR is informed by more than fifty years' experience of developing a citation index of substantive value,which cannot be matched. This value is founded on a proven and trusted selectionprocess asthe journals includedare chosenon criteria that are balanced across research cultures and regional domains,and on complete indexing of all documents that should be included and none that should be excluded. This meticulous attention and care is why the JCR has stood the test of time,to become part of the fabric of the research society."

Visit the Journal Citation Reports website to explore all data,metrics,and analysis available. 

For more information on our principles of editorial selectivity,please see our blog. 

Follow us on Twitter via @WebofScience, #JCR2019. 

Only journals that are selected for SCIE and SSCI are listed in the Journal Citation Reports.

Media Contact   

Amy Bourke-Waite  

Director of External Communications,Web of Science Group 

amy.bourkewaite@clarivate.com 

About Web of Science Group 

Web of Science Group organizes the world's research information to enable academia,corporations,publishers and governments accelerate the pace of research.  It is powered by the Web of Science – the world's largest publisher-neutral citation index and research intelligence platform. Its many well-known brands also include Converis,EndNote, Kopernio,Publons, ScholarOne and the Institute for Scientific Information (ISI). The Web of Science Group is a Clarivate Analytics Plc (NYSE: CCC; CCC.WS) company. www.webofsciencegroup.com. @webofscience  

About Clarivate Analytics

Clarivate Analytics plc (NYSE:CCC; CCC.WS) is a global leader in providing trusted insights and analytics to accelerate the pace of innovation. Clarivate has built some of the most trusted brands across the innovation lifecycle,including the Web of Science,Cortellis,Derwent,CompuMark,MarkMonitorandTechstreet. Today,Clarivate is on a bold entrepreneurial mission to help our clients reduce the time from new ideas to life-changing innovations. For more information,please visitwww.clarivate.com.

Forward-Looking Statements 

This press release and oral statements made with respect to information contained in this release may contain forward-looking statements regarding Clarivate Analytics. Forward-looking statements provide Clarivate Analytics' current expectations or forecasts of future events and may include statements regarding anticipated synergies and other future expectations. These statements involve risks and uncertainties including factors outside of Clarivate Analytics' control that may cause actual results to differ materially. Clarivate Analytics undertakes no obligation to update or revise the statements made herein,whether as a result of new information,future events or otherwise.

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