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Scopus

Scopus is a comprehensive abstract and citation database with enriched data and linked scholarly literature across a wide variety of disciplines. It identifies experts and provides access to reliable data, metrics and analytical tools.

Journal metrics

Journal-level metrics on Scopus include: 

  • CiteScore metrics 
  • SCImago Journal Rank (SJR) 
  • Source Normalized Impact per Paper (SNIP)

Each journal overview page contains these details:

  • Scopus coverage 

  • Publisher information 

  • Subject areas  

  • CiteScore

  • CiteScore Tracker (monthly update) 

  • SNIP

  • SJR

  • CiteScore Rank and Trend 

CiteScore is a family of eight indicators that offer complementary views to analyze the publication influence of serial titles of interest. Derived from the Scopus database, CiteScore metrics offer a more transparent, current, comprehensive and accurate indication of a serial’s impact. CiteScore metrics are available for 28,000+ active titles, including 15,000+ more than Journal Impact Factor.

CiteScore only includes peer-reviewed research: articles, reviews, conference papers, data papers and book chapters, covering 4 years of citations and publications. Historical data back to CiteScore 2011 have been recalculated and are displayed on Scopus. 

SNIP (Source Normalized Impact per Paper) Measures contextual citation impact by weighting citations based on the total number of citations in a subject field. The impact of a single citation is given higher value in subject areas where citations are less likely, and vice versa. 

SJR (SCImago Journal Rank): Based on the concept of a transfer of prestige between journals via their citation links. Drawing on a similar approach to the Google PageRank algorithm - which assumes that important websites are linked to from other important websites - SJR weights each incoming citation to a journal by the SJR of the citing journal, with a citation from a high-SJR source counting for more than a citation from a low-SJR source. The calculation of the final SJR of a journal is a complex and iterative process.

Journal comparison

Compare up to 10 sources and review results on a chart or in table format 

  • Search for sources to compare by title, ISSN, publisher, subject area 

  • Compare CiteScore for each publication by year 

  • Compare SNIP for each publication by year 

  • Compare SJR for each publication by year 

  • Compare number of documents for each publication by year 

  • Compare percent of articles cited for each publication by year 

  • Compare percent of review articles published in each publication by year  

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