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Systems Briefs

Tackling the “trinity of troubles”
Gang Tan, assistant professor of computer science and engineering, has spent a decade studying software security. His research has been funded by DARPA, NSF and the National Security Agency.

A supplement to common sense
As supply chain managers seek to optimize the movement of goods and services, it can make great sense to rely on common sense, says Larry Snyder. But in a small percentage of cases, a chain can defy common sense.

Assigning priorities to wireless sensors
Wireless sensor networks, says Shamim Pakzad, are ideal for monitoring the stresses imposed on bridges by auto traffic, earthquakes and other loading events.

Error-control codes for network nodes
The Internet and other communication networks that contain connecting nodes (terminals, computers or switches) have undergone a revolution in the past decade.