3474 search results - page 254 / 695 » Data Management in RFID Applications |
294
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
175
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CCS
2007
ACM
16 years 23 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 ...
173
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HUC
2007
Springer
16 years 23 days ago
2007
Springer
Abstract. Battery lifetime has become one of the top usability concerns of mobile systems. While many endeavors have been devoted to improving battery lifetime, they have fallen sh...
158
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FMN
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Peer-to-Peer systems become popular applications but suffer from insufficient resource availability which is caused by free-riders and inefficient lookup algorithms. To a...
183
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ICC
2007
IEEE
16 years 28 days ago
2007
IEEE
— – Major research challenges in the next generation of wireless networks include the provisioning of worldwide seamless mobility across heterogeneous wireless networks, the im...