Scopus is Elsevier's abstract and citation database launched in 2004. Scopus covers nearly 36,377 titles (22,794 active titles and 13,583 inactive titles) from approximately 11,678 publishers, of which 34,346 are peer-reviewed journals in top-level subject fields: life sciences, social sciences, physical sciences and health sciences. It covers three types of sources: book series, journals, and trade journals. All journals covered in the Scopus database are reviewed for sufficiently high quality each year according to four types of numerical quality measure for each title; those are h-Index, CiteScore, SJR (SCImago Journal Rank) and SNIP (Source Normalized Impact per Paper). Searches in Scopus also incorporate searches of patent databases.
The main functions of Scopus:
1. The most complete documentary research (covering the entire field of natural sciences, medicine, social sciences and life sciences); supports one-click downloading of full texts in the library (replace the full text library to order in the school library)
2. Cross patent search covering 5 main patent offices (United States Patent Office, European Patent Office, Japanese Patent Office, World Intellectual Property Organization and British Intellectual Property Office) with a total of 25.2 million patent information.
3. Support to institutional libraries for the research and analysis function of institutions (covering universities, government agencies, scientific research institutes, corporate R&D, etc., each independent institution has given an identifier member coded in Scopus); Document information (total number of publications, total citations) from each institution, primary authors, proportion of publications in various fields, sources of journals, patent information, etc.
4. Author search and analysis functions in the author library (covering more than 30 million researchers worldwide, each author has obtained an author identifier coded in Scopus); for each author, statistics on their bibliographic information (total number of publications, Total citations), h index, overview of citations (alternatively classified by self-citation or co-author citations), the output analysis graph of the author's personal literature (one click generation).