Parallel Computing journal, according to their website, indexed in SCI. However, master journal list (MJL) indicates that the journal is indexed in SCI expanded. Is it possible that the journal moved from SCI expanded to SCI but MJL has not update the information?


Clarivate decides what to index in the Science Citation Index, so their "Master Journal List" is going to be authoritative. Elsevier's list is likely to be less accurate.

  • Why would Elsevier index the journal in SCI if it is really not. Aren't they lying to authors who intend to publish in that journal?
    – Shibli
    Sep 9 '19 at 11:18
  • Mistaken is more likely, but lying is a possibility. Sep 9 '19 at 13:43

Per the answers on this question, there's not much difference between SCI and SCI Expanded in the first place---in fact, I had never even heard of the distinction before your question. Instead, I've generally just heard people using "SCI" to refer to being indexed by the company at all, not bothering to distinguish between the two classes.

Thus, as @AnonymousPhysicist notes, Clarivate's list will be the definitive one. Elsevier, however, is probably embracing the more generic usage, as it avoids needing to draw the (potentially unfavorable) distinction.

  • In my university, papers published in SCI worth more academic points than SCIE. So Elsevier's generic usage doesn't make sense for academia.
    – Shibli
    Oct 16 '19 at 11:38
  • @Shibli For your department, perhaps: there is a great diversity in how universities rank and rate and how well SCI covers fields. For example, top AI journals like JMLR are in SCIE and not SCI and the major conferences aren't listed at all.
    – jakebeal
    Oct 16 '19 at 12:07

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