422 search results - page 80 / 85 » Risk management for distributed authorization |
SACMAT
2009
ACM
15 years 4 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
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ISLPED
2006
ACM
15 years 3 months ago
2006
ACM
This paper presents an energy-conservation method for multiple disks and their cache memory. Our method periodically resizes the cache memory and controls the rotation speeds unde...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
Retrospective news event detection (RED) is defined as the discovery of previously unidentified events in historical news corpus. Although both the contents and time information...
CIKM
2004
Springer
15 years 2 months ago
2004
Springer
Automatically categorizing documents into pre-defined topic hierarchies or taxonomies is a crucial step in knowledge and content management. Standard machine learning techniques ...