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» Theories with the Independence Property
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SACMAT
2005
ACM
14 years 4 months ago
Composing and combining policies under the policy machine
As a major component of any host, or network operating system, access control mechanisms come in a wide variety of forms, each with their individual attributes, functions, methods...
David F. Ferraiolo, Serban I. Gavrila, Vincent C. ...
EUROCAST
2005
Springer
102views Hardware» more  EUROCAST 2005»
14 years 4 months ago
Approximation Problems Categories
abstract NP-hard optimization problem, in a general sense. From the observation that, intuitively, there are many connections among categorical concepts and structural complexity n...
Liara Aparecida dos Santos Leal, Dalcidio Moraes C...
MM
2004
ACM
99views Multimedia» more  MM 2004»
14 years 4 months ago
Locality preserving clustering for image database
It is important and challenging to make the growing image repositories easy to search and browse. Image clustering is a technique that helps in several ways, including image data ...
Xin Zheng, Deng Cai, Xiaofei He, Wei-Ying Ma, Xuey...
MMSEC
2004
ACM
104views Multimedia» more  MMSEC 2004»
14 years 4 months ago
Key-assignment strategies for CPPM
CSS, the first system to protect multimedia content on the new DVD medium failed badly, because both its encryption algorithm and its key management could easily be broken. A new ...
André Adelsbach, Jörg Schwenk
MOBIHOC
2004
ACM
14 years 4 months ago
On the behavior of communication links of a node in a multi-hop mobile environment
In this work, we develop an analytical framework to investigate the behavior of the communication links of a node in a random mobility environment. Analytical expressions characte...
Prince Samar, Stephen B. Wicker