Science Citation Index -- Researchers can search citation data (from the footnotes of each article), taking a known, relevant paper or work and finding other, more
recent papers that cite it.
Library Catalog -- search by subject,
keyword, author or title!
Web Resources -- Portals
ACM Digital Library
--access to reference and citation links including current research and archived research
Scitopia.org -- "Search
over 3.5 million documents, plus patents and government data.
Twenty One societies
spanning 350 years of sci-tech scholarship help you with your queries."
IEEE Computer Society Digital Library
-- online access to 18 IEEE journals and the proceedings of 150
conferences in computer science. FREE access to abstracts and
bibliographies.