Abstract. Many applications benefit from user location data, but location data raises privacy concerns. Anonymization can protect privacy, but identities can sometimes be inferred...
People spend most of their time at a few key locations, such as home and work. Being able to identify how the movements of people cluster around these “important places” is cru...
People travel between places of residence and work destinations via transportation net-
works. The relation between selection of home and work locations has been heavily
debated ...
Security is a critical issue in mobile commerce, especially in mobile database systems since mobile environments are dynamic and traditional protection mechanisms do not work very...