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» Argumentation for Access Control
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IEEEARES
2007
IEEE
16 years 1 months ago
Formalising Dynamic Trust Negotiations in Decentralised Collaborative e-Health Systems
Access control in decentralised collaborative systems present huge challenges especially where many autonomous entities including organisations, humans, software agents from diff...
Oluwafemi Ajayi, Richard O. Sinnott, Anthony Stell
VLDB
2006
ACM
172views Database» more  VLDB 2006»
16 years 7 months ago
Hierarchical hippocratic databases with minimal disclosure for virtual organizations
Abstract The protection of customer privacy is a fundamental issue in today's corporate marketing strategies. Not surprisingly, many research efforts have proposed new privacy...
Fabio Massacci, John Mylopoulos, Nicola Zannone
ICC
2009
IEEE
151views Communications» more  ICC 2009»
16 years 1 months ago
A PHY-MAC Cross-Layer Protocol for Ad Hoc Networks with Multiple-Antenna Nodes
—In this paper, we propose a physical (PHY) - medium access control (MAC) cross-layer protocol for ad hoc networks with antenna-array-equipped nodes that employ single-antenna tr...
Ioannis Spyropoulos, James R. Zeidler
APLAS
2009
ACM
16 years 1 months ago
Ownership Downgrading for Ownership Types
Ownership types support information hiding by providing object-based encapsulation. However the static restrictions they impose on object accessibility can limit the expressiveness...
Yi Lu 0003, John Potter, Jingling Xue
GLOBECOM
2008
IEEE
16 years 1 months ago
Duty-Cycle Optimization in Unslotted 802.15.4 Wireless Sensor Networks
—We present a novel approach for minimizing the energy consumption of medium access control (MAC) protocols developed for duty-cycled wireless sensor networks (WSN) for the unslo...
Sinem Coleri Ergen, Carlo Fischione, Dimitri Maran...