My institute requires us to publish our articles by ISI journals as the first priority, and Scopus as the second option. My question is: Is Web of Science the same as ISI?

  • They most likely indeed journals indexed in the Web of Science and having an impact factor published in their Journal Citation Reports. Be careful about fake impact factors claimed by various dubious journals on their websites. Some institutes even require only publishing in journals placed in the higher positions of the ranking.
    – Vladimir F
    Jul 30 at 7:04
  • While each index service works differently, depending on your field of interest, there may be considerable overlap of journals monitored by both Web of Science and Scopus. Perhaps especially because Scopus is backed by Elsevier.
    – Buttonwood
    Jul 30 at 9:00

Web of Science is a product. ISI was an organisation that used to produce that product.

The Institute of Scientific Information (ISI) was bought by Thomson Reuters in 1992.

Web of Science is now produced by Clarivate Analytics, which bought the ISI intellectual property off Thomson in 2016.

Thus, in answer to your question, ISI as an organisation no longer exists, but when it did, being indexed by ISI probably meant being in the ISI Master Journal List (or in the Journal citation Report - JCR), which is a service that is part of the Web of Science website, and is now produced by Clarivate rather than ISI.

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  • Thanks. So, if I published a paper in a journal indexed in Web of Science, then it is not necessary been accepted as published in ISI. Is that correct?
    – Alice
    Jul 29 at 10:50
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    @Alice - you are going to have to ask your institute about that. Logic may not be their prime motivation.
    – Jon Custer
    Jul 29 at 12:38
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    There is no such thing as "published in ISI" and there hasn't been for at least 5 years now. Being indexed in Web of Science is the closest thing to being being indexed by ISI that currently exists. Jul 29 at 14:05

Is Web of Science the same as ISI?

It depends on what you mean by ISI. If you mean "Institute for Scientific Information," then see the other answers here.

But ISI can also mean "International Scientific Indexing," which might look the same but isn't. A nice discussion can be found here, which says "the International Scientific Indexing should be treated with extreme caution and it is probably best just to ignore it as its impact factor has no meaning." (Many predatory journals claim to have an "ISI impact factor" but these are for the International Scientific Indexing, and not for the Web of Science.)

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