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SACMAT
2004
ACM
14 years 1 months ago
Role-based cascaded delegation
We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
Roberto Tamassia, Danfeng Yao, William H. Winsboro...
IEEEARES
2007
IEEE
14 years 2 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
APCCM
2009
13 years 9 months ago
Conceptual Application Domain Modelling
Application domain description precedes requirements engineering, and is the basis for the development of a software or information system that satisfies all expectations of its u...
Bernhard Thalheim, Klaus-Dieter Schewe, Hui Ma
WOWMOM
2005
ACM
184views Multimedia» more  WOWMOM 2005»
14 years 2 months ago
ALCA: A New Scheme for Power Control on 802.11 Ad Hoc Networks
— This paper presents the ALCA (Asymmetric Link Collision Avoidance) protocol. ALCA was designed to deal with a known deficiency of the Basic Scheme [1] for power control in 802...
Alexandre Andrade Pires, José Ferreira de R...
CEC
2009
IEEE
14 years 3 months ago
Evolving morphology and control: A distributed approach
—In this paper we present a model which allows to co-evolve the morphology and the control system of realistically simulated robots (creatures). The method proposed is based on a...
Mariagiovanna Mazzapioda, Angelo Cangelosi, Stefan...