16093 search results - page 44 / 3219 » On the optimality of the neighbor-joining algorithm |
119
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TIT
2011
14 years 8 months ago
2011
—Maximization of the weighted sum-rate of secondary users (SUs) possibly equipped with multiantenna transmitters and receivers is considered in the context of cognitive radio (CR...
TMC
2011
14 years 8 months ago
2011
—This paper describes new algorithms for throughput optimization in a mobile backbone network. This hierarchical communication framework combines mobile backbone nodes, which hav...
221
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INFOCOM
2011
IEEE
14 years 5 months ago
2011
IEEE
Abstract—Network-coded cooperative communications (NCCC) is a new paradigm in wireless networks that employs network coding (NC) to improve the performance of CC. The core mechan...
127
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ESWS
2011
Springer
14 years 4 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
104
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AAAI
2011
14 years 1 months ago
2011
Planning agents often lack the computational resources needed to build full planning trees for their environments. Agent designers commonly overcome this finite-horizon approxima...