1641 search results - page 191 / 329 » Subject Composition by Roles |
181
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SIGIR
2009
ACM
16 years 26 days ago
2009
ACM
Social network systems, like last.fm, play a significant role in Web 2.0, containing large amounts of multimedia-enriched data that are enhanced both by explicit user-provided an...
179
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WIKIS
2009
ACM
16 years 26 days ago
2009
ACM
Peer production systems rely on users to self-select appropriate tasks and “scratch their personal itch”. However, many such systems require significant maintenance work, whic...
171
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CCS
2007
ACM
16 years 16 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 ...
176
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MM
2006
ACM
16 years 10 days ago
2006
ACM
Healthcare is a data-rich but information-poor domain. Terabytes of multimedia medical data are being generated on a monthly basis in a typical healthcare organization in order to...
232
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CIKM
2005
Springer
15 years 12 months ago
2005
Springer
Many bioinformatics applications would benefit from comparing proteins based on their biological role rather than their sequence. In most biological databases, proteins are alrea...