Google Scholar -- Google's new library of research papers (not just computer science). Provides citation linking and search.
Feedster -- A search engine for blogs. Very up-to-date material, i.e., The World Live Web.
ACM-- The Association of Computing Machinery is the computer science professional organization and has a digital library of papers that appear in ACM conferences and journals.
Citeseer -- A library that focuses on computer science research.
WWW Conference Proceedings -- WWW is the international conference for Web research.
Communications of the ACM -- The most general and well-read of ACM journals. The papers are often quite accessible and readable, since they are written for a more general audience than other research publications
Search Engine Watch -- current and past articles about search engines
O'Reilly emerging technology conference
HP Information Dynamics Lab
MIT Technology Review
Microsoft's Multi-University Research Lab
Yahoo Video Search
Bay Area Seminars
SIMS FRIDAY SEMINARS
Kleinberg, J., Cornell, The Structure of Information Networks, 1992