1960s-present for ACM titles, dates vary for others. Fulltext for all ACM publications, citations and abstracts for others. Articles, proceedings, books, theses, SIG newsletters.
Date coverage varies. Open access to over 1/2 million e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Statistics, and Quantitative Finance.
Fulltext and citations. Contains 1.2 million full-text dissertations, including most dissertations added since 1997 and strong retrospective full text coverage for older graduate works. Includes 2.7 million citations to dissertation and theses from around the world from 1861 to the present day.
1969-present. Citations and abstracts. Most comprehensive coverage of scientific and technical engineering research, covering all engineering disciplines; began as Engineering Index in 1896. Over 5000 international sources, including journals, conference proceedings, book chapters, etc.
[IEEE Xplore] Fulltext from 1988-present, with some titles going as far back as 1913. Includes IEEE and IET journals, magazines, and conference proceedings.
Coverage begins with the first issue of a journal, some as early as the 1600s, and continues up until 1-to-5 years ago. An online archive of core scholarly journals in most fields of study. Comprised of high-resolution, scanned images of journal issues and pages as they were originally designed, printed, and illustrated. Not a source for recent articles.
1860s-present. Citations and abstracts. Reviews, abstracts and bibliographic information for much of the mathematical sciences literature, in the tradition of the paper Mathematical Reviews.
1915-present. Access to NASA's current and historical aerospace research and engineering results. NTRS integrates three separate information collections: NACA collection (1915-1958); NASA Collection (1958-present); NIX Collection (images and media files).
1993-present. Citations only. Indexes papers in every published congress, symposium, conference, exposition, workshop, and meeting received by The British Library Document Supply Centre.
Date coverage varies. Fulltext. AIP journals and conference proceedings, as well as other journals hosted by AIP's Scitation database. Includes news articles, journals and conference proceedings
(Note: does not currently support Internet Explorer 9.) Includes SCIENCE CITATION INDEX EXPANDED (1900 - present ), SOCIAL SCIENCES CITATION INDEX EXPANDED (1956 - present), and ARTS & HUMANITIES CITATION INDEX (1975 - present). All subjects are covered. Indexes articles from almost 10,000 journals as well as the citations in the articles indexed. Recent years include abstracts.
A global science gateway linking national and international scientific databases and repositories. This site allows users to search scientific information collected from around the world. Much of the information in this database is not available via conventional web searching.
