The ACM Digital Library is a research, discovery and networking platform containing: The Full-Text Collection of all ACM publications, including journals, conference proceedings, technical magazines, newsletters and books. A collection of curated and hosted full-text publications from select publishers. The ACM Guide to Computing Literature, a comprehensive bibliographic database focused exclusively on the field of computing. A richly interlinked set of connections among authors, works, institutions, and specialized communities.

Applied Science & Technology Source Ultimate is a full text database on the computer side. Technology and Applied Science covers science, technology, computer engineering and computer technology. The year of the joints from 1909 to the present day.

China National Knowledge Infrastructure Dedicated to the mass digitalization of China knowledge resources, as well as creating the platform for global dissemination and value-added services, Started and first launched in June 1999 by Tsinghua University and Tsinghua Tongfang Holding Group, Supported by Education Ministry, Science and Technology Ministry, Propaganda Ministry and General Administration of Press and Publications.

Engineering Source is the premier database for professionals and researchers across all engineering disciplines, including biomedical, civil, electrical, mechanical, environmental and software. It includes hundreds of full-text engineering journals, magazines and trade publications, plus books, conference papers and more.

The IEEE Xplore digital library is a powerful resource for discovery of and access to scientific and technical content published by the IEEE (Institute of Electrical and Electronics Engineers) and its publishing partners. IEEE Xplore provides web access to more than three-million full-text documents from some of the world’s most highly cited publications in electrical engineering, computer science and electronics. More than two-million documents are in robust, dynamic HTML format.