By Stephen Downes - Stephen's Web. Google Scholar is a serious alternative to Web of Science
Anne-Wil Harzing, LSE Impact Blog, 2017/03/21
I agree with this assessment. "Commercial databases such as ISI and Scopus have systematic errors as they do not include many journals in the social sciences and humanities, nor have good coverage of conferences proceedings, books or book chapters." They are, in a word, biased toward traditional scientific publications. More...