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79
Voted
CORR
2008
Springer
14 years 9 months ago
2008
Springer
We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooperati...
SAINT
2007
IEEE
15 years 3 months ago
2007
IEEE
With the great expansion of advanced wireless technologies, users can now conveniently access the Internet from almost anywhere. We consider geographic information to be an import...
149
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FDL
2004
IEEE
15 years 1 months ago
2004
IEEE
gn process of embedded systems moves currently towards higher levels of abstraction. As a consequence, a need arises for an early and realistic assessment of system level design d...
HOTDEP
2008
14 years 11 months ago
2008
Database systems are a key component behind many of today's computer systems. As a consequence, it is crucial that database systems provide correct and continuous service des...
66
Voted
WETICE
2002
IEEE
15 years 2 months ago
2002
IEEE
Access control is one of the key requirements in enterprise security. A number of approaches in distributed systems have been designed that support various (new) paradigms such as...