System X is a supercomputer assembled by Virginia Tech faculty members, staff, and students in the summer of 2003, comprising 1,100 Apple PowerMac G5 computers. System X is currently running at 12.25 Teraflops, (20.24 peak), and was last ranked #47 (November, 2006) in the more

Notification systems attempt to deliver current, important information to the user in an efficient and effective manner. Examples of familiar notification systems include instant messaging systems, system and user status updates, email alerts, and news and stock tickers. With the.... more

Our group focuses on the development of multiscale, multiphysics modeling and simulation methods and tools that help biologists build, simulate and analyze complex biological systems, simulate their dynamics and analyze their functions. Typical biological models include gene expression models, pr.... more