909 search results - page 92 / 182 » On the approximability of some network design problems |
191
Voted
TSP
2012
14 years 1 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
157
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ICPR
2002
IEEE
16 years 7 months ago
2002
IEEE
Classification of real-world data poses a number of challenging problems. Mismatch between classifier models and true data distributions on one hand and the use of approximate inf...
168
Voted
ATAL
2007
Springer
16 years 14 days ago
2007
Springer
Distributed message relaying is an important function of a peer-topeer system to discover service providers. Existing search protocols in unstructured peer-to-peer systems either ...
190
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CP
2000
Springer
15 years 10 months ago
2000
Springer
Abstract. This paper evaluates the power of a new scheme that generates search heuristics mechanically. This approach was presented and evaluated rst in the context of optimization...
175
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SIGCOMM
2010
ACM
15 years 6 months ago
2010
ACM
Reducing the energy consumption of a wireless cellular network is an important and urgent problem. This paper studies the effect of cell sizes on the energy consumed by the networ...