Provides full-text access to the archives of core scholarly journals in the arts, humanities, social sciences and sciences. (For many journals, excludes content from the most recent 3 to 10 years.)
Covers 12,000+ scholarly journals, plus selected books and published conference proceedings in all academic disciplines. Citation tracking goes back to 1900 for sciences, 1975 for humanities.
Covers journals, patents, and websites (16,500+ titles) from 4,000+ publishers. Citation tracking goes back to 1996 (gradually being extended back to 1970). Sciences are covered more comprehensively than humanities.