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248
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IPCCC
2007
IEEE
16 years 1 months ago
2007
IEEE
Role-based access control and role hierarchies have been the subject of considerable research in recent years. In this paper, we consider three useful applications of a new role-b...
170
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IPPS
2007
IEEE
16 years 1 months ago
2007
IEEE
Blue Gene R /P is a massively parallel supercomputer intended as the successor to Blue Gene/L. It leverages much of the existing architecture of its predecessor to provide scalabi...
202
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SECON
2007
IEEE
16 years 1 months ago
2007
IEEE
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
167
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SMC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This paper presents two approaches to visually analyze the topic shift of a pool of documents over a given period of time. The first of the proposed methods is based on a mult...
168
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CIKM
2007
Springer
16 years 1 months ago
2007
Springer
Spatio-temporal databases deal with geometries changing over time. In general, geometries do not only change discretely but continuously; hence we are dealing with moving objects....