118 search results - page 16 / 24 » Greedy algorithms for on-line set-covering and related probl... |
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...
STACS
2010
Springer
15 years 4 months ago
2010
Springer
We study the online clustering problem where data items arrive in an online fashion. The algorithm maintains a clustering of data items into similarity classes. Upon arrival of v, ...
75
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CORR
2006
Springer
14 years 9 months ago
2006
Springer
Abstract-- In evolutionary algorithms, the fitness of a population increases with time by mutating and recombining individuals and by a biased selection of more fit individuals. Th...
77
Voted
UAI
2004
14 years 11 months ago
2004
The complexity of a reasoning task over a graphical model is tied to the induced width of the underlying graph. It is well-known that the conditioning (assigning values) on a subs...
102
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
—Cooperative jamming (CJ) schemes support secure wireless communication in the presence of one or more eavesdroppers. Larger numbers of cooperative relays provide better secrecy ...