Thomson Reuters provides JCR reports which I believe is the only report having the real impact factors. But there are other agencies that provide some lists of journals having various impact factors. Can someone tell me about other recognised agencies providing real impact factors?
I agree with Santhosh Mathew. But there are others which try to find impact factor of journals using some other factors.
1) The SCImago Journal & Country Rank is a portal that includes the journals and country scientific indicators developed from the information contained in the Scopus® database (Elsevier B.V.). These indicators can be used to assess and analyze scientific domains
2) Index Copernicus International
The SCImago Journal & Country Rank is also a good link powered by SCOPUS.
Impact Factor itself became a ball game among the journals. Some of the journals which have high face value by means of expert (peer) opinions have low impact factor, on the other hand the journals which do not have any value could increase their impact factors through self-citation (However, in recent days ISI has found out this issue and has started avoiding the self-citation factor in the impact factor calculation). I feel a journal should be valued not only based on the Impact factor from ISI, but it should also be cross checked for listing in other journal listing sources like ABDC (Australian Business Deans Council) or ERA (Excellence in Research for Australia), etc. I feel that having a birds-eye-view could give a clearer picture of the quality of a journal.
Impact factr decides huw much attractive your publication is among the scientific/general public?
It is true and I agree with Charles Vincent. Mean while, Impact factor does not provide any thing related to quality of the journal, but it only provides a rating based on the citation. Hence journals should not be judged by the impact factor alone.
There are many journals which sometimes directly and sometimes indirectly force the authors to cite papers from those journals' past volumes/issues just before the final approval of the paper, just to increase the citation record. Now the new trend is instead of citing from the same journal, you are somehow expected to cite papers from journals from the same publisher. So that cross-citation is made from the same journal publisher. Some of my collegues and I already made an effort to calculate the impact factors and rank the journals at least in one specific field. We count with a strong support of theorems and we are soon expecting a publication. I know it is always debatable!
Journal Citation Reports® offers a systematic, objective means to critically evaluate the world's leading journals, with quantifiable, statistical information based on citation data. http://works.bepress.com/aleebrahim/1/
It only provides a rating based on citation criteria . I would not judge the quality of journal by only its impact factor
Citation doesn't mean a god journal rather the work that is published is decising the quality of the journal.
You can find the impact factor of 2016-2017 in this link
journalindex.org
This is for persons who didn't have access to JCR.
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