Web of Science is a multidisciplinary citation platform, part of Clarivate. Includes indexed and cited publications from scientific journals, peer-reviewed journals, open access journals, monographs, collections, conference proceedings, patents, etc.
The platform covers the following additional scientometric resources: InCites, Journal Citation Reports, Essential Science Indicators, EndNote, Publons, Kopernio, Master Journal List. Access to these resources is provided through additional individual registration, which is initially done on the Sofia University grounds. The registration is through an email and a personal password, henceforth all additional scientific resources can be accessed with the same profile.
Scopus is a multidisciplinary scientometric and bibliographic database of the Elsevier publishing group. Scopus comprises indexed and cited publications from peer-reviewed scientific journals, open access journals, monographs, collections, conference proceedings, patents, etc.
Science Direct is a multidisciplinary full-text database that covers scientific journals and parts of books in various scientific fiels. Science Direct includees publications from peer-reviewed journals, open access journals, parts of monographs and collections, conference proceedings, etc.