Open access to 820,930 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics
- CiteSeerX (beta)
CiteSeerx attempts to provide resources such as algorithms, data, metadata, services, techniques, and software that can be used to promote other digital libraries. CiteSeerx has developed new methods and algorithms to index PostScript and PDF research articles on the Web.
- ACM Digital Library
ACM Digital Library provides bibliographic information, abstracts, reviews and the full-text for articles published in ACM periodicals and proceedings since its founding in 1947. Also provides selected works published by affiliated organizations.
- IEEE Xplore
Full-text access to IET/IEE (Institution of Engineering and Technology) Journals and IEEE (Institute of Electrical and Electronics Engineers) transactions, journals, magazines, and conference proceedings published since 1988 and all current IEEE standards.
Compendex indexes technical and engineering journals, conference proceedings and papers, technical reports, and monographs. Subjects include all areas of engineering; transportation; management, mathematics, and physics; electronics and communications; computers and data processing, and instruments and measurements.
Scopus is an abstract and citation database of research literature and quality web sources, including open access journals, conference proceedings, trade publications, abstracts, and patent records.