Table 1

Comparison of Scopus vs Web of Science


Web of Science (SCI)
Scopus

Coverage
1992-date
1966-date (abstracts)

1900-date
1996-date (cited references)
# 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