Scopus offers access to more that 14,000 scholarly titles including approximately 750 conference proceedings, all journals in Medline, 400 trade publications and also approximately 500 Open Access Journals. In development for more than two years with the collaborative efforts of 300 librarians and researchers, Scopus covers the content of over 4,000 international scientific, technical, medical and social science publishers.
For information on Scopus APIs, go Elsevier website
Web of Science is the online version of the Science Citation Index, Social Sciences Citation Index and the Arts & Humanities Citation Index. Users can search 8,500 international research journals in the sciences, social sciences, arts and humanities. The Web of Science also provides cited reference searching