A significant and growing class of location-based mobile applications aggregate position data from individual devices at a server and compute aggregate statistics over these posi...
Raluca A. Popa, Andrew J. Blumberg, Hari Balakrish...
The widespread adoption of automated fare collection (AFC) systems by public transport authorities around the world means that, increasingly, people carry and use passive sensors ...
The popularity of high-density flash memory as data storage media has increased steadily for a wide spectrum of computing devices such as PDA's, MP3 players, mobile phones an...