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...
For nearest neighbor search, a user queries a server for nearby points of interest (POIs) with his/her location information. Our aim is to protect the user’s sensitive informatio...
Distributed trust and reputation management mechanisms are often proposed as a means of providing assurance in dynamic and open environments by enabling principals to building up ...
Increasing use of e-government has raised issues about the privacy of information provided by citizens to government. This paper explores the experiences and concerns of New Zeala...
: Research in Vehicular Ad Hoc NETworks (VANETs) has evolved considerably over the last years. Security and privacy in VANETs have recently appealed special interest in the researc...