IEEE Xplore Digital Library
IEEE Xplore is the IEEE's electronic library. It holds all IEEE and IEE (Britain's Institution of Electrical Engineers) journals and conference proceedings published since 1988 as well as all current IEEE standards.
ACM Digital Library
The ACM Digital Library is the online repository of all journal articles and conference papers published by the ACM, the primary society for computer science research.
SPIE Digital Library
Society of Photo-Optical Instrumentation Engineers' journals and proceedings; covers optics, photonics, medical imaging, and many areas of nanotechnology, including MEMS. Provides access to 200,000 technical papers from SPIE Journals and Conference Proceedings from 1990 to the present. More than 17,000 new technical papers are added annually. The Proceedings of SPIE comprise nearly 6000 volumes from conferences sponsored or cosponsored by SPIE since 1963. The SPIE Digital Library includes Proceedings from 1990 to the present, beginning with Volume 1200, with more than 17,000 new technical papers added.
NASA Technical Reports Server
NASA Technical Reports Server (NTRS) provides access to aerospace-related citations, full-text online documents, and images and videos. The types of information include: conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and technical information (STI) created or funded by NASA.
Scopus is a navigation tool covering the world's largest collection of abstracts, references and indexes of scientific, technical and medical (STM) literature. Seamless links to full-text articles and other library resources make Scopus quick, easy and comprehensive.
Web of Science
The Web of Science provides seamless access to current and retrospective multidisciplinary information from approximately 8,700 of the most prestigious, high impact research journals in the world.