219 search results - page 32 / 44 » Security Measures in Mobile Commerce: Problems and Solutions |
ICRA
2005
IEEE
14 years 2 months ago
2005
IEEE
Abstract This paper is concerned with the problem where a mobile robot of size D has to navigate to a target in an unknown planar environment. The competitiveness of an on-line nav...
INFOCOM
2005
IEEE
14 years 2 months ago
2005
IEEE
Abstract— The localization problem is to determine an assignment of coordinates to nodes in a wireless ad-hoc or sensor network that is consistent with measured pairwise node dis...
ESORICS
2009
Springer
14 years 3 months ago
2009
Springer
The increasing availability of space-time trajectories left by location-aware devices is expected to enable novel classes of applications where the discovery of consumable, concise...
ACNS
2005
Springer
14 years 2 months ago
2005
Springer
We consider the following problem: a user U wants to store his files in an encrypted form on a remote file server S. Later the user U wants to efficiently retrieve some of the en...
ICISC
2004
13 years 10 months ago
2004
Abstract. The proliferation of group-centric computing and communication motivates the need for mechanisms to provide group access control. Group access control includes mechanisms...