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Mobile users traveling over roads often issue KNN queries based on their current locations with their mobile terminals (e.g. where is the nearest gas station?). However, exact location information transmitted to an unsecure server will easily lead the mobile user to be tracked. Thus it is important to protect mobile users' location privacy while providing location-based services. People traveling...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.