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From Wikipedia, the free encyclopedia

Scopus
Scopus logo.svg
ProducerElsevier (Netherland)
Languages40 languages
Access
ProvidersElsevier
CostSubscription
Coverage
DisciplinesLife sciences; social sciences; physical sciences; health sciences
Record depth41,462 indexed titles (2021)
Format coveragecsv, BibText, ASCII, RIS
Temporal coverage1788–present
Geospatial coverageWorldwide
No. of records82.4 million
Update frequencydaily
Links
Websitehttps://www.scopus.com
Title list(s)https://www.scopus.com/sources

Scopus is Elsevier's abstract and citation database launched in 2004. Scopus covers nearly 36,377 titles (22,794 active titles and 13,583 inactive titles) from approximately 11,678 publishers, of which 34,346 are peer-reviewed journals in top-level subject fields: life sciences, social sciences, physical sciences and health sciences. It covers three types of sources: book series, journals, and trade journals. All journals covered in the Scopus database are reviewed for sufficiently high quality each year according to four types of numerical quality measure for each title; those are h-Index, CiteScore, SJR (SCImago Journal Rank) and SNIP (Source Normalized Impact per Paper). Searches in Scopus also incorporate searches of patent databases.[1]

Overview

Comparing ease of use and coverage of Scopus and the Web of Science (WOS), a 2006 study concluded that "Scopus is easy to navigate, even for the novice user. ... The ability to search both forward and backward from a particular citation would be very helpful to the researcher. The multidisciplinary aspect allows the researcher to easily search outside of his discipline" and "One advantage of WOS over Scopus is the depth of coverage, with the full WOS database going back to 1945 and Scopus going back to 1966. However, Scopus and WOS complement each other as neither resource is all-inclusive."[2]

Scopus also offers author profiles which cover affiliations, number of publications and their bibliographic data, references, and details on the number of citations each published document has received. It has alerting features that allow registered users to track changes to a profile and a facility to calculate authors' h-index. In 2016, a free website, Scopus CiteScore,[3] was introduced. It provides citation data for all 25,000+ active titles such as journals, conference proceedings and books in Scopus and provides an alternative to the impact factor.

Scopus IDs for individual authors can be integrated with the non-proprietary digital identifier ORCID.[4]

In 2018, Scopus started embedding partial information about the open access status of works, using Unpaywall data.[5]

Content selection and advisory board

Since Elsevier is the owner of Scopus and is also one of the main international publishers of scientific journals, an independent and international Scopus Content Selection and Advisory Board (CSAB) was established in 2009 to prevent a potential conflict of interest in the choice of journals to be included in the database and to maintain an open and transparent content coverage policy, regardless of publisher.[6] The board consists of scientists and subject librarians. Nevertheless, critique over a perceived conflict of interest has continued.[7]

CSAB team is responsible for inclusion and exclusion of different titles on Scopus. Since 2004, they have included 41525 and excluded 688 titles[8] The re-evaluation policy is claimed to be based on four criteria of Publication Concern, Under Performance, Outlier Performance and Continuous curation. Since 2016, the CSAB has re-evaluated 990 titles published by 539 different publishers leading to 536 titles discontinued for indexing.[9] Nevertheless, research continues to show the inclusion of predatory journals.[10][11]

SCImago Journal Rank

According to the Scimago Journal Rankings, as of 2016, Nature had the highest h-index, at 1011,[12] and CA - A Cancer Journal for Clinicians[13] had the highest SJR of 39.285, and CiteScore 2016 (89.23 in the 99th percentile). Scimagojr.com provides country ranking based on Total Published Documents, Citable documents, Citations, Self-Citations, Citations per Document and h-index. As per this website, as of 2019, the United States (h-index : 2222) was in first place, the United Kingdom (h-index : 1373) was in the second place and Germany (h-index : 1203) was in third place based on national h-index.[14]

See also

References

  1. ^ Kulkarni, A. V.; Aziz, B.; Shams, I.; Busse, J. W. (2009). "Comparisons of Citations in Web of Science, Scopus, and Google Scholar for Articles Published in General Medical Journals". JAMA. 302 (10): 1092–6. doi:10.1001/jama.2009.1307. PMID 19738094.
  2. ^ Burnham, JF (2006). "Scopus database: A review". Biomedical Digital Libraries. 3: 1. doi:10.1186/1742-5581-3-1. PMC 1420322. PMID 16522216.
  3. ^ "Sources". Scopus.
  4. ^ "Scopus2Orcid". Scopus. Retrieved 7 May 2014.
  5. ^ Else, Holly (15 August 2018). "How Unpaywall is transforming open science". Nature. 560 (7718): 290–291. Bibcode:2018Natur.560..290E. doi:10.1038/d41586-018-05968-3. PMID 30111793.
  6. ^ "Scopus Content Overview: Content Policy and Selection". Scopus Info. Elsevier. Retrieved 4 September 2013.
  7. ^ "Elsevier are corrupting open science in Europe". TheGuardian.com. 29 June 2018.
  8. ^ "Archived copy". Archived from the original on 21 July 2021. Retrieved 21 July 2021.{{cite web}}: CS1 maint: archived copy as title (link)
  9. ^ "The importance of high-quality content: curation and reevaluation in Scopus" (PDF).
  10. ^ "IDEA Study 2 2017 Predatory journals in Scopus".
  11. ^ Singh Chawla, Dalmeet (8 February 2021). "Hundreds of 'predatory' journals indexed on leading scholarly database". Nature. doi:10.1038/d41586-021-00239-0. PMID 33558751. S2CID 231871351.
  12. ^ "Nature". scimagojr.com. Retrieved 4 July 2018.
  13. ^ "CA – A Cancer Journal for Clinicians". scimagojr.com.
  14. ^ "Scimago Journal & Country Rank".

External links

This page was last edited on 30 June 2022, at 01:34
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