Sciweavers

860 search results - page 67 / 172
» On the Security of Delegation in Access Control Systems
Sort
View
101
Voted
FOSSACS
2005
Springer
15 years 7 months ago
History-Based Access Control with Local Policies
Abstract. An extension of the λ-calculus is proposed, to study historybased access control. It allows for security policies with a possibly nested, local scope. We define a type ...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
CONTEXT
2003
Springer
15 years 7 months ago
A Generic Framework for Context-Based Distributed Authorizations
In conventional security systems, protected resources such as documents, hardware devices and software applications follow an On/Off access policy. On, allows to grant access and ...
Ghita Kouadri Mostéfaoui, Patrick Bré...
SIGMOD
2010
ACM
155views Database» more  SIGMOD 2010»
14 years 11 months ago
Search in social networks with access control
More and more important data is accumulated inside social networks. Limiting the flow of private information across a social network is very important, and most social networks pr...
Truls Amundsen Bjørklund, Michaela Göt...
SUTC
2008
IEEE
15 years 8 months ago
Security Enforcement Model for Distributed Usage Control
Recently proposed usage control concept and models extend traditional access control models with features for contemporary distributed computing systems, including continuous acce...
Xinwen Zhang, Jean-Pierre Seifert, Ravi S. Sandhu
117
Voted
DOLAP
2000
ACM
15 years 6 months ago
Towards OLAP Security Design - Survey and Research Issues
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...
Torsten Priebe, Günther Pernul