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Comparison of Scopus vs Web of Science |
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| Web of Science (SCI) |
Scopus |
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| Coverage |
1992-date |
1966-date (abstracts) |
| 1900-date |
1996-date (cited references) |
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| # of Journals Indexed |
8700 |
14,000 |
| # of Citations |
36.1 million |
27 million |
| Update Schedule |
Weekly |
Updated daily |
| Subjects covered |
Life sciences, clinical medicine, animal & plant biology, biotechnology, agriculture, environmental sciences, physics, chemistry, earth sciences, mathematics, engineering, technology, computer science |
5900 titles in life and health sciences; chemistry, physics, math, engineering, social sciences, psychology, economics, biological, agricultural, environmental, general sciences |
| Geographic coverage |
80 countries |
60% of titles are from countries other than USA |
| Indexing |
Author defined keywords and KeyWordsPlus |
EMTREE, MESH and others |
Burnham Biomedical Digital Libraries 2006 3:1 doi:10.1186/1742-5581-3-1 |
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