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103
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CCS
2010
ACM
15 years 10 months ago
Cryptographic role-based security mechanisms based on role-key hierarchy
Even though role-based access control (RBAC) can tremendously help us minimize the complexity in administering users, it is still needed to realize the notion of roles at the reso...
Yan Zhu, Gail-Joon Ahn, Hongxin Hu, Huaixi Wang
129
Voted
COMPSAC
2008
IEEE
15 years 10 months ago
Towards Engineering Ontologies for Cognitive Profiling of Agents on the Semantic Web
Research shows that most agent-based collaborations suffer from lack of flexibility. This is due to the fact that most agent-based applications assume pre-defined knowledge of age...
Amna Basharat, Gabriella Spinelli
ICASSP
2008
IEEE
15 years 10 months ago
Automatic classification of question turns in spontaneous speech using lexical and prosodic evidence
The ability to identify speech acts reliably is desirable in any spoken language system that interacts with humans. Minimally, such a system should be capable of distinguishing be...
Sankaranarayanan Ananthakrishnan, Prasanta Ghosh, ...
IROS
2008
IEEE
124views Robotics» more  IROS 2008»
15 years 10 months ago
Coordinated multi-robot exploration using a segmentation of the environment
— This paper addresses the problem of exploring an unknown environment with a team of mobile robots. The key issue in coordinated multi-robot exploration is how to assign target ...
Kai M. Wurm, Cyrill Stachniss, Wolfram Burgard
P2P
2008
IEEE
120views Communications» more  P2P 2008»
15 years 10 months ago
Failure-Tolerant Overlay Trees for Large-Scale Dynamic Networks
Trees are fundamental structures for data dissemination in large-scale network scenarios. However, their inherent fragility has led researchers to rely on more redundant mesh topo...
Davide Frey, Amy L. Murphy