The Network Time Protocol (NTP) is widely used to synchronize computer clocks throughout the Internet. Existing NTP clients and servers form a very large distributed system, and y...
There is an increasing demand for locality-preserving distribution of complex data structures in peer-to-peer systems. Current systems either do not preserve object locality or su...
The proliferation of mobile computing devices and local-area wireless networks has fostered a growing interest in location-aware systems and services. In this paper we present RAD...
More than 20 years after the launch of the public Internet, operator forums are still full of reports about temporary unreachability of complete networks. We propose FACT, a system...
We present an indoor positioning system that measures location using disturbances of the Earth's magnetic field caused by structural steel elements in a building. The presenc...
Jaewoo Chung, Matt Donahoe, Chris Schmandt, Ig-Jae...