7930 search results - page 1118 / 1586 » Greedy in Approximation Algorithms |
176
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TWC
2008
15 years 6 months ago
2008
In this paper, a dynamic subcarrier and power allocation problem is considered in the context of asymptotic utility maximization in multi-carrier systems. Using the gradient-based...
205
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PVLDB
2008
15 years 6 months ago
2008
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
172
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JCO
2010
15 years 5 months ago
2010
Abstract Polynomial-time data reduction is a classical approach to hard graph problems. Typically, particular small subgraphs are replaced by smaller gadgets. We generalize this ap...
207
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ICDM
2009
IEEE
15 years 4 months ago
2009
IEEE
The recent proliferation of graph data in a wide spectrum of applications has led to an increasing demand for advanced data analysis techniques. In view of this, many graph mining ...
197
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ICMLA
2009
15 years 4 months ago
2009
This article proposes an algorithm to automatically learn useful transformations of data to improve accuracy in supervised classification tasks. These transformations take the for...