Science Citation Index Expanded
1980 - Present
Science Citation Index Expanded, a multidisciplinary database covering the journal literature of science, provides basic subject and author searching as well as cited reference searching. This feature is useful because it allows researchers to search the database for articles that cite a known author or work. SCI, one of the databases in ISI's Web of Science, Indexes more than 5,700 major journals across 164 scientific disciplines from 1980 to the present.