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» An Access Control Model for Video Database Systems
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SP
1997
IEEE
134views Security Privacy» more  SP 1997»
15 years 10 months ago
A Logical Language for Expressing Authorizations
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
Sushil Jajodia, Pierangela Samarati, V. S. Subrahm...
POLICY
2005
Springer
15 years 11 months ago
Automated Decomposition of Access Control Policies
Modern dynamic distributed information systems need access control policies to address controlling access to multiple resources that are distributed. The s may be considered as a ...
Linying Su, David W. Chadwick, Andrew Basden, Jame...
DBSEC
2010
196views Database» more  DBSEC 2010»
15 years 2 months ago
Preserving Integrity and Confidentiality of a Directed Acyclic Graph Model of Provenance
Abstract. This paper describes how to preserve integrity and confidentiality of a directed acyclic graph (DAG) model of provenance database. We show a method to preserve integrity ...
Amril Syalim, Takashi Nishide, Kouichi Sakurai
ICCV
2009
IEEE
15 years 3 months ago
Storyboard sketches for Content Based Video Retrieval
We present a novel Content Based Video Retrieval (CBVR) system, driven by free-hand sketch queries depicting both objects and their movement (via dynamic cues; streak-lines and ar...
John P. Collomosse, Graham McNeill, Yu Qian
DCC
2002
IEEE
16 years 5 months ago
Compression Techniques for Active Video Content
Conventional digital video playback systems provide only limited user interactivity, mostly in the form of VCRlike controls such as fast forward/backward, slow motion, pause/stop,...
Anindya Neogi, Tzi-cker Chiueh