118 search results - page 16 / 24 » Information Processing in Convex Operational Theories |
CCS
2005
ACM
14 years 1 months ago
2005
ACM
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Web processes must often operate in volatile environments where the quality of service parameters of the participating service providers change during the life time of the process...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— The growth of video content and diversification of content-sharing methods in the Internet lead to an exciting range of new problems in networking, communications, and...
MMSEC
2004
ACM
14 years 1 months ago
2004
ACM
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...