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  2. Science Citation Index Expanded - Wikipedia

    en.wikipedia.org/wiki/Science_Citation_Index...

    The index is available online within Web of Science, [11] [12] as part of its Core Collection (there are also CD and printed editions, covering a smaller number of journals). [13] The database allows researchers to search through over 53 million records from thousands of academic journals that were published by publishers from around the world.

  3. List of countries by number of scientific and technical ...

    en.wikipedia.org/wiki/List_of_countries_by...

    The "share" is lower than the count because for each article it is based on the number of nationals who have contributed, divided by the total number of contributors. In many cases the "share" will be much lower than the "count" because the "count" includes articles published by institutions which may have only a very few members of the ...

  4. Institute for Scientific Information - Wikipedia

    en.wikipedia.org/wiki/Institute_for_Scientific...

    The Highly Cited Researchers list is compiled by selecting, in every field, those researchers with the highest number of highly cited papers in a 10-year, rolling time period. The number of highly cited researchers varies from field to field and is determined accordingly to the total number of researchers contributing to the single field.

  5. Citation index - Wikipedia

    en.wikipedia.org/wiki/Citation_index

    The earliest known citation index is an index of biblical citations in rabbinic literature, the Mafteah ha-Derashot, attributed to Maimonides and probably dating to the 12th century. It is organized alphabetically by biblical phrase. Later biblical citation indexes are in the order of the canonical text.

  6. Web of Science - Wikipedia

    en.wikipedia.org/wiki/Web_of_Science

    Logo in 2014. The Web of Science (WoS; previously known as Web of Knowledge) is a paid-access platform that provides (typically via the internet) access to multiple databases that provide reference and citation data from academic journals, conference proceedings, and other documents in various academic disciplines.

  7. Scopus - Wikipedia

    en.wikipedia.org/wiki/Scopus

    Scopus is a scientific abstract and citation database, launched by the academic publisher Elsevier as a competitor to older Web of Science in 2004. [1] An ensuing competition between the two databases has been characterized as "intense" and is considered to significantly benefit their users in terms of continuous improvent in coverage, search/analysis capabilities, but not in price.

  8. Nature Index - Wikipedia

    en.wikipedia.org/wiki/Nature_Index

    The Nature Index is a database that tracks institutions and countries/territories and their scientific output since its introduction in November 2014. [1] Originally released with 64 natural-science journals, the Nature Index expanded to 82 natural-science journals in 2018, then added 64 health-science journals in 2023.

  9. Index Copernicus - Wikipedia

    en.wikipedia.org/wiki/Index_Copernicus

    [6] [7] [8] Index Copernicus has also become the object of study [9] [10] [11] in context of scientific predatory practices. One researcher that stings predatory publishers by publishing fictitious papers (accepted without review by the publishers) says that journals that show the Index Copernicus on their web site are most likely predatory.