Biometric trackers, cellphone location databases and drones are among the surveillance technologies agents are using in their immigration enforcement campaign.

Abstract: With the widespread use of encrypted spatial data, many range query schemes emerge to address potential security risks caused by access pattern leakage. However, most existing schemes rely ...

Abstract: In today’s world, services are improved and advanced in every field of life. Especially in the health sector, information technology (IT) plays a vigorous role in electronic health (e-health ...