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Lecture Notes in Computer Science
There are endless possibilities for the next generation of mobile social applications that automatically determine your social context. A key element of such applications is ubiquitous and precise sensing of the people you interact with. Existing techniques that rely on deployed infrastructure to determine proximity are limited in availability and accuracy. Techniques that rely on specific frequencies or signal processing are not supported by widely deployed mobile devices. Virtual Compass is adoi:10.1007/978-3-642-12654-3_1 fatcat:7pfyno4qmzdo3imro3xfglihxi