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CNIS
2006
13 years 10 months ago
STRBAC - An approach towards spatio-temporal role-based access control
The rapid emergence of GPS enabled devices, sensors and mobile equipment in commercial as well as government organizations has led to considerable research in time- and location-b...
Mahendra Kumar, Richard E. Newman
CORR
2006
Springer
93views Education» more  CORR 2006»
13 years 9 months ago
Multirobot rendezvous with visibility sensors in nonconvex environments
This paper presents a coordination algorithm for mobile autonomous robots. Relying upon distributed sensing, the robots achieve rendezvous, that is, they move to a common location....
Anurag Ganguli, Jorge Cortés, Francesco Bul...
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
14 years 9 months ago
HERMES: aggregative LBS via a trajectory DB engine
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Ya...
IEEEARES
2008
IEEE
14 years 3 months ago
Hierarchical Domains for Decentralized Administration of Spatially-Aware RBAC Systems
Emerging models for context-aware role-based access control pose challenging requirements over policy administration. In this paper we address the issues raised by the decentraliz...
Maria Luisa Damiani, Claudio Silvestri, Elisa Bert...
ICRA
2003
IEEE
147views Robotics» more  ICRA 2003»
14 years 2 months ago
A genetic algorithm for simultaneous localization and mapping
— This paper addresses the problem of simultaneous localization and mapping (SLAM) by a mobile robot. The SLAM problem is defined as a global optimization problem in which the o...
Tom Duckett