315 search results - page 12 / 63 » Specifying multimedia access control using RDF |
DBSEC
2010
15 years 1 months ago
2010
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
SAC
2002
ACM
14 years 11 months ago
2002
ACM
We argue that matrix-based models are inadequate for regulating business to business (or B2B, for short) e-commerce due to the diversity, complexity and potential large number of ...
114
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ISN
1999
Springer
15 years 4 months ago
1999
Springer
This paper presents a novel approach that simplifies real-time multimedia communication applications development and service provision. Such applications are no longer required to...
ICMCS
2006
IEEE
15 years 5 months ago
2006
IEEE
In this paper we address the problem of providing conditional access to video sequences, namely, to generate a low-quality video to be used as preview, which can be decoded at ful...
193
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VLDB
2008
ACM
15 years 12 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...