63 million article records
1 billion cited references
117 years
Web of Science Core Collection includes reliable, complete metadata from over 12,500 high-quality journals from around the world, in over 250 science/social science/humanities disciplines. Conference proceedings and book data are also available. Data are available back to 1900 and include over 63 million article records and 1 billion cited references to date.
Indexes in the Web of Science Core Collection include:
- Science Citation Index Expanded (SCI-EXPANDED) --1900-present
- Social Sciences Citation Index (SSCI) --1900-present
- Arts & Humanities Citation Index (A&HCI) --1975-present
- Conference Proceedings Citation Index- Science (CPCI-S) --1990-present
- Conference Proceedings Citation Index- Social Science & Humanities (CPCI-SSH) --1990-present
- Book Citation Index– Science (BKCI-S) --2005-present
- Book Citation Index– Social Sciences & Humanities (BKCI-SSH) --2005-present
- Emerging Sources Citation Index (ESCI) --2015-present
Some key data elements:
- ORCID identifiers are included on over 6.2 million records to support author disambiguation
- funding acknowledgements, including agency and grant numbers, are indexed
- full author and institutional affiliation information are indexed to enhance attribution of research and collaboration analysis
- extensive unification of institution names to aggregate complex naming variations and sub-organizations