3708 search results - page 548 / 742 » Approximating Betweenness Centrality |
197
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JMLR
2008
15 years 6 months ago
2008
When monitoring spatial phenomena, which can often be modeled as Gaussian processes (GPs), choosing sensor locations is a fundamental task. There are several common strategies to ...
181
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MONET
2006
15 years 6 months ago
2006
In this paper we address the minimum-energy broadcast problem in multi-hop wireless networks, so that all broadcast requests initiated by different source nodes take place on the s...
203
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SIAMIS
2008
15 years 6 months ago
2008
We consider the restoration of piecewise constant images where the number of the regions and their values are not fixed in advance, with a good difference of piecewise constant val...
173
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Many ranking models have been proposed in information retrieval, and recently machine learning techniques have also been applied to ranking model construction. Most of the existin...
168
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CORR
2004
Springer
15 years 6 months ago
2004
Springer
We study a general online convex optimization problem. We have a convex set S and an unknown sequence of cost functions c1, c2, . . . , and in each period, we choose a feasible po...