Table 1 Comparison of features in Web of Science, Scopus, and Google Scholar
From: Three options for citation tracking: Google Scholar, Scopus and Web of Science
Web of Science | Scopus | Google Scholar | |
|---|---|---|---|
Indexing and abstracting | Yes | Yes | No |
Years covered-journals | 1900 to present (Science) 1956-present (Social Science) 1975-present (Arts and Humanities) | 1966 to present for some journals, but many date back to 1996 to present | Not revealed |
Years covered-citations | 1900 to present | 1996 to present | Not revealed |
Fee-based | Yes | Yes | No |
Contents | 9300 journals (Science, Social Science and Arts and Humanities) | 15,000 journals (Science and Social Science) | Not revealed |