SciFinder-n is the Web version of Chemical Abstracts and includes the CAplus database, the CAS Registry file, and Medline. It contains citations and abstracts from journals, conference proceedings, patents, and dissertations, as well as chemical substance and reaction information.
Covering Computer Science, Computer Engineering, Physics, and related subjects, IEEE Xplore is an extensive collection containing almost 200 IEEE journals, magazines, and transactions, 1,400+ IEEE conference titles; 20+ IET conference and seminar digests; and over 2,800 IEEE approved standards.
INSPEC is the world's largest bibliographic database in the field of physics, electrical engineering and electronics, computers and control engineering, and information technology. Over 330,000 new records from 4,000 journals and 2,000 conference proceedings are added each year.