1611 search results - page 13 / 323 » An Access Control Model for Video Database Systems |
SMC
2010
IEEE
14 years 8 months ago
2010
IEEE
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
We present ACXESS (Access Control for XML with Enhanced Security Specifications), a system for specifying and enforcing enhanced security constraints on XML via virtual "secu...
MODELS
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. This contribution gives an overview of various access control strategies in use in contemporary healthcare scenarios and shows how a broad variety of respective policies ...
SACMAT
2005
ACM
15 years 3 months ago
2005
ACM
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...
IWFM
2000
14 years 11 months ago
2000
Security services in a multi-user environment are often based on access control mechanisms. Static of an access control policy can be formalised using abstract algebraic models. W...