83 search results - page 16 / 17 » A Location-Based Mechanism for Mobile Device Security |
CSREASAM
2008
13 years 7 months ago
2008
Pervasive computing allows data to be collected using sensors and mobile devices. Recent studies, however, show that in emergency and crisis situations conventional access control ...
MOBISYS
2007
ACM
14 years 5 months ago
2007
ACM
We present rendezvous-based access control for access control in the pre-hospital environment. Rendezvous-based access control is a simple cryptographic access control method that...
SACMAT
2009
ACM
14 years 10 days ago
2009
ACM
In this paper, we present a mandatory access control system that uses input from multiple stakeholders to compose policies based on runtime information. In the emerging ubiquitous...
COMCOM
2010
13 years 6 months ago
2010
In this paper, we consider QoS aware mesh networks that are maintained by multiple operators and they cooperate in the provision of networking services to the mesh clients. In ord...
WWW
2009
ACM
14 years 6 months ago
2009
ACM
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...