Scopus is an abstract and citation database of peer-reviewed literature: scientific journals, books and conference proceedings. Delivering a comprehensive overview of the world's research output in the fields of science, technology, medicine, social sciences, and arts and humanities, Scopus features smart tools to track, analyze and visualize research.
Web of Science Core Collection provides quick, powerful access to the world's leading citation databases. Authoritative, multidisciplinary content covers over 12,000 of the highest impact journals worldwide, including Open Access journals and over 150,000 conference proceedings. You'll find current and retrospective coverage in the sciences, social sciences, arts, and humanities, with coverage to 1900.
The ACM Digital Library (DL) is a comprehensive collection of full-text articles and bibliographic records covering the fields of computing and information technology. This full-text database includes the complete collection of ACM's publications, including journals, conference proceedings, magazines, newsletters, and multimedia titles.
A full list of databases is available on the A-Z Databases page.
Most of the linked resources will take you into the catalogue where you can securely access the database and its contents.