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Science Citation Index

The Science Citation Index (SCI) is a citation index originally produced by the Institute for Scientific Information (ISI). It was officially launched in 1964. It is now owned by Thomson Reuters. The larger version (Science Citation Index Expanded) covers more than 6,500 notable and significant journals, across 150 disciplines, from 1900 to the present. These are alternatively described as the world's leading journals of science and technology, because of a rigorous selection process.

SCIENCE CITATION INDEX (SCI) - JOURNAL SEARCH Search for SCI journals (full list of SCI journals here)

SCIENCE CITATION INDEX EXPANDED (SCIE) - JOURNAL SEARCH Search for SCIE journals (full list of SCIE journals here)

SOCIAL SCIENCES CITATION INDEX (SSCI) - JOURNAL SEARCH Search for SSCI journals (full list of SSCI journals here)

SCIMAGO

The SCImago Journal & Country Rank is a publicly available portal that includes the journals and country scientific indicators developed from the information contained in the Scopus database (Elsevier). Citation data is drawn from over 21,500 titles from more than 5,000 international publishers and country performance metrics from 239 countries worldwide. http://www.scimagojr.com/

Find the impact factor for a journal

Journal Impact Factor (IF) is a measure reflecting the average number of citations to articles published in science and social science journals. It is frequently used as a proxy for the relative importance of a journal within its field, with journals with higher impact factors deemed to be more important than those with lower ones.

Search for impact factors on SCIJournal.org http://www.scijournal.org

Search for impact factors on bioxbio.com http://www.bioxbio.com/if/

Top 10 Journals - Most Cited/ High Impact Journals (All Fields) http://www.scijournal.org/top-10-journals.html

Top 20 Countries (All Fields) http://www.scijournal.org/top-20-countries.html

H-Index

What is the h-index? It is an index that quantifies both the actual scientific productivity and the apparent scientific impact of a scientist, e.g. an h-index of 25 means the researcher has 25 papers, each of which has been cited 25+ times. The larger the number of important papers, the higher the h-index, regardless of where the work was published. For a comprehensive description of the h-index and how it is calculated, see this article on Wikipedia.

Google Scholar can calculate your h-index. Here is a simple guide from the University of Illinois, summarised below:

Google Scholar provides citation counts for articles found within Google Scholar. Depending on the discipline and cited article, it may find more cited references than Web of Science or Scopus because overall, Google Scholar is indexing more journals and more publication types than other databases. Google Scholar is not specific about what is included in its tool but information is available on how Google obtains its content. Using Google Scholar Citations and creating your own profile will make it easy for you to create a list of publications included in Google Scholar. Using your Google Scholar Citations account, you can see the citation counts for your publications and have GS calculate your h-index. (You can also search Google Scholar by author name and the title of an article to retrieve citation information for a specific article.)

  • To set up a Google Scholar Citation account:
    • Using your google (gmail) account, create a profile of all your articles captured in Google Scholar. Follow the prompt on the screen to set up your profile. Once complete, this will show all the times the articles have been cited by other documents in Google Scholar and your h-index will be provided. It is your choice to make your profile public or private, but if you make it public then you can link to it from your own webpages.