considers the design, performance, and evaluation of computer systems that facilitate the presentation of information in a variety of media, as well as underlying technologies that support these systems.
Publishes, distributes, and archives original research and firsthand perspectives from the world's leading thinkers in computing and information technologies.
Special Interest Group on Algorithms and Computation Theory, the ACM special interest group for Theoretical Computer Science. Site has membership information, meetings, reports and a newsletter for members.