Scopus content COVERAGE AND CONTENT SELECTION
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SCOPUS CONTENT COVERAGE AND CONTENT SELECTION
Dr. Wim MeesterSenior Product [email protected]://orcid.org/0000-0001-9350-3448
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Science is growing globally
http://info.scival.com/research-initiatives/science-europe
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(International) collaboration is rising
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Collaboration increases citation impact
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Citation impact of international collaboration
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• Coverage across engineering subject areas: completeness of coverage, coverage of Engineering Village, coverage pre-1996; coverage non-English material;
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The broad source for research answers
20,698Peer reviewed journals
404Trade journals
389Book series
A rich and extended coverage including
21.3M pre-1996 records 30.3M post-1995 records>51.6M records
17k conference events 5M total conference records (10%)
5,500 books70k book items (chapters & books)
Content from > 5,000 publishers “Articles in Press” from > 3,750 titles > 2,800 fully OA titles Abstracts going back to 1823 40 languages covered 24M Patents
21,750 active titles
263Conf. series
Total average processing time: 5 days
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Breadth of coverage across subject areas
More than 20,400 titles in Scopus, titles can be in more than one subject area
Health Sciences 6,300• (100% Medline)• Nursing• Dentistry • etc.,
Social Sciences 6,350• Psychology• Economics• Business• A&H etc.,
Life Sciences 4,050• Neuroscience• Pharmacology• Biology • etc.,
Physical Sciences 6,600• Chemistry• Physics • Engineering• etc.,
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Geographical distribution of titles
5,0000
Wider coverage gives a more accurate picture of the research landscape
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Number of documents in Scopus2008 – 2012 Active titles in Scopus:
Russia: 209 (80 unique)Turkey: 162Brazil: 310India: 392
Brazil
Russia
Breadth of coverage in Russia
India
Turkey
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Broader coverage than nearest peer
Scopus
(Total: 19,809)
Web of Science(Total: 12,311)
8,432
934
11,377
Source: http://adat.crl.edu/, May 2012
Scopus Advantage
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Broader coverage = higher citations
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• Coverage across engineering subject areas: completeness of coverage, coverage of Engineering Village, coverage pre-1996; coverage non-English material;
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Expansive coverage does not mean lower standards
PublisherIndependent Content Selection
& Advisory Board (CSAB)
Suggest title Check minimum criteria Select titles based on quality
Titles processed via the online Scopus Title Evaluation Platform (STEP)
Focus on quality through selection by independent CSAB to:
•Provide accurate and relevant search results for users
•No dilution of search results by irrelevant or low quality content
•Support that Scopus is recognized as authoritative
•Support confidence that Scopus is “reflecting the truth”
•Assurance that titles selected by Scopus meet the highest (ethical) standards
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Scopus selection criteria
Journalpolicy
• Convincing editorial concept/policy• Level of peer-review• Diversity in geographic distribution of editors• Diversity in geographic distribution of authors
Quality ofcontent
• Academic contribution to the field• Clarity of abstracts• Quality and conformity with stated aims & scope• Readability of articles
Journal standing
• Citedness of journal articles in Scopus• Editor standing
Regularity • No delay in publication schedule
Online availability
• Content available online• English-language journal home page• Quality of home page
Minimum criteria
• Peer-review
• English abstracts
• Regular publication
• References in Roman script
• Publication ethics statement
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Title suggestions per country All title suggestions received in 2012
2,820 titles suggested in 2012 of which 1,020 acceptable for review
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Titles reviewed(n=2,976, January 2011 – December 2012)
2012: Total 1,271 titles reviewed of which 47% accepted
Num
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Titles reviewed top 25 countries (2012)
RejectedAccepted
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• Coverage across engineering subject areas: completeness of coverage, coverage of Engineering Village, coverage pre-1996; coverage non-English material;
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Which metric to use?
1. What level am I assessing?• Article, Journal, Researcher, Institution, etc.
2. What type of impact am I assessing?• Scientific, Clinical, Societal, Educational, etc.
3. What methods are available based on above?• Quantitative: citation, usage, media, h-index, SNIP, SJR, etc.• Qualitative: Peer-review, etc.
Bibliometrics (quantitative measures used to asses research output)Basic premise = Citation is a form of endorsement
Bibliometricians agree that no single metric can effectively capture the entire spectrum of research performance because no single metric can address all key variables
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Which journal is best?
They are all the best – all the top of their subject categories
Journal Impact Factor 2008*
Lancet Infectious Diseases 13.165
Social Studies of Science 1.343
Dyes & Pigments 2.507
Expert Systems with Applications 2.596
Progress in Nuclear Magnetic Resonance Spectroscopy 6.162
Communications on Pure & Applied Mathematics 3.806
*Journal Citation Reports 2009
Journal Impact Factor
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Vanclay, J, Impact factor: outdated artefact or stepping-stone to journal certification, Scientometrics, Volume 92, Issue 2 (August 2012)
“[Publishers should] Greatly reduce emphasis on the journal impact factor as a promotional tool ideally by ceasing to promote the impact factor or by presenting the metrics in the context of a variety of journal based metrics … that provide a richer view of journal performance”
- From The San Francisco Declaration on Research Assessment (DORA) http://am.ascb.org/dora/
Journal Impact Factor
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www.journalmetrics.com
More accuracy, transparency, more metrics
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+ + +A journal’s raw impact per paper
Citation potential in its subject field
Peer reviewedpapers only
A field’s frequency and immediacy of citation
Database coverage
Journal’s scope and focus
Measured relative todatabase median
SNIP: Source-normalized impact per paper
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SNIP: Molecular Biology VS Mathematics
Journal RIP Cit. Pot. SNIP (RIP/Cit. Pot.)
Inventiones Mathematicae 1.5 0.4 3.8
Molecular Cell 13.0 3.2 4.0
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Prestige metric: Prestige transferred when a journal cites• Citations are weighted depending on where they come from• A journal’s prestige is shared equally between its citations
Life Sciences journal
High impact, lots of citationsOne citation = low value
Arts & Humanities journal
Low impact, few on citationsOne citation = high value
SJR normalizes for differences in citation behaviour between subject fields
SJR: SCImago Journal Rank
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More analysis using Scopus: Journal Analyzer
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APIs to promote journal prestige
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APIs to promote article-level metrics
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Societal impact and media mentions via Altmetric for Scopus
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Books expansion initiative
Journals
•Timely• Formal• Peer-reviewed
Conferences
• New ideas• Preliminary
research• Bit less formal
Books
• In depth analysis
• Formal (editorial) review
Further benefits:• Improve Arts & Humanities coverage in Scopus• Enhance discoverability of books and book content• Measure the impact of books • Increase accuracy of Author Profiles
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Scope and selection of books expansionWill cover scholarly books that represent fully-referenced, original research or literature reviews.
Subject areas
• Social sciences and Arts & Humanities, also Science, Technology & Medicine (STM)
Coverage years • Back to 2005 (2003 for A&H)
Number of books
• 75,000 over three years (25,000 by year end 2013); 10,000 each year thereafter
Book types
• Monographs, edited volumes, graduate level text books, major reference works
Not in scope
• Dissertations, undergraduate level text books, Atlas, Yearbook, Biography, Popular science books, manuals
Book selection via a publisher-based approach (no suggestions). All books from selected publishers deemed “in scope” will be selected for coverage.
Selection depends on: Reputation and impact of the
publisher Size and subject area of the
books list Availability and format of the
book content Publication policy and
editorial mission Quality of published book
content
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SPASIBO!спасибо