756 search results - page 93 / 152 » Modeling Computational Security in Long-Lived Systems |
WPES
2003
ACM
14 years 3 months ago
2003
ACM
We present a model and protocol for anonymous credentials. Rather than using deterrents to ensure non-transferability, our model uses secure hardware with biometric authentication...
CCS
2007
ACM
14 years 2 months ago
2007
ACM
The problem of key management for access control systems has been well-studied, and the literature contains several schemes for hierarchy-based and temporal-based access control. ...
WWW
2003
ACM
14 years 10 months ago
2003
ACM
The construction of composite Web Services from service fragments requires semantic descriptions of service offers and service requests. We propose the use of dependencies as a mo...
SAC
2006
ACM
14 years 4 months ago
2006
ACM
In this paper we propose a recommender system that helps users to navigate though the Web by providing dynamically generated links to pages that have not yet been visited and are ...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...