882 search results - page 46 / 177 » On the Negotiation of Access Control Policies |
ACMSE
2005
ACM
14 years 1 months ago
2005
ACM
Despite recent advances in trust relationship control mechanisms, issues remain that impede the development of effective trust models. One of these is the lack of dynamic mechanis...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
We consider the problem of rate allocation among multiple simultaneous video streams sharing multiple heterogeneous access networks. We develop and evaluate an analytical framework...
DBSEC
2010
13 years 8 months ago
2010
Abstract. We consider the problem of developing an abstract metamodel of access control in terms of which policies for protecting a principal's private information may be spec...
DBSEC
2000
13 years 9 months ago
2000
Abstract At the start of its present term of office in 1997 the UK government published a planning document promising ubiquitous access to Electronic Health Records (EHRs) held wit...
PODC
2003
ACM
14 years 1 months ago
2003
ACM
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...