ACM (Association for Computing Machinery) is the largest world association in the fields of computer and information sciences. It was founded in 1947 to promote the role of computer and information sciences in the fields of science and education.
ACM Digital Library is the biggest information source in the field and enables access to full-text articles published in ACM scientific journals and newspapers and bibliographic records of books, conference papers, etc. At the same time there is also collection of bibliographic information on various scientific publishers from the field of computer science available. There is also ACM Computing Classification System (CCS) available to help you with your search.