Actually just because a journal is not ISI-cited doesn't necessarily mean it's a bad journal, and vice versa. It depends on how people working in that field regard it.

I think they are just different but overlapping indexes, all owned by Thomson Reuters.

Try searching the impact factor of a journal which appears in all three and see if they are the same.

__


"It is a little confusing because of branding issues but in general just know that it goes like this: Thompson Reuters produces ISI Web of Knowledge, which is a larger platform that includes multiple databases and tools including Web of Science (which includes in itself Science Citation Index and some elements of information from Journal Citation Reports) and Journal Citation Reports (with full analytical information including impact factor). People may refer to various parts of this platform interchangeably but essentially it’s all in the same package and if you want to find out the impact factor of a journal just go to the library website, click on Database Names and type in either Web of Knowledge and choose the Additional Resources tab or just type in Journal Citation Reports directly. I hope that helped and didn’t confuse things!"
(http://blogs.cornell.edu/askalib/2010/06/23/journal-citation-reports-and-impact-factors/)

This post has been edited by academiclawyer: Jul 2 2012, 12:56 AM

Which field?

It had one paper cited like 30k times last year. Was that the cause?