1736 search results - page 267 / 348 » The rank-width of Directed Graphs |
153
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SIGIR
2009
ACM
15 years 10 months 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...
138
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INFOCOM
2008
IEEE
15 years 10 months ago
2008
IEEE
—Recently proposed beaconless georouting algorithms are fully reactive, with nodes forwarding packets without prior knowledge of their neighbors. However, existing approaches for...
142
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CCS
2007
ACM
15 years 10 months 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 ...
166
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MOBICOM
2006
ACM
15 years 10 months ago
2006
ACM
Wireless sensor networks are tightly associated with the underlying environment in which the sensors are deployed. The global topology of the network is of great importance to bot...
136
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SPAA
2005
ACM
15 years 9 months ago
2005
ACM
An asynchronous algorithm is described for rapidly constructing an overlay network in a peer-to-peer system where all nodes can in principle communicate with each other directly t...