2211 search results - page 229 / 443 » A scalable distributed information management system |
178
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DGO
2006
15 years 8 months ago
2006
Over the past two years, horrific disasters such as the Asian Tsunami, Hurricane Katrina, and the Pakistan Earthquake have demonstrated the critical need for effective technologic...
175
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CCS
2007
ACM
16 years 24 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
151
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Histogram construction or sequence segmentation is a basic task with applications in database systems, information retrieval, and knowledge management. Its aim is to approximate a...
166
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ICMCS
2007
IEEE
16 years 28 days ago
2007
IEEE
Wireless digital video broadcasting has experienced much success in recent years with some industrial systems deployed. We study in this paper how to recover lost packets in video...
177
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we discuss challenges and provide solutions for capturing and maintaining accurate models of user profiles using semantic web technologies, by aggregating and shari...