114 search results - page 19 / 23 » A new approximation algorithm for the multilevel facility lo... |
120
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ICA
2010
Springer
15 years 4 months ago
2010
Springer
The problem of estimating a sparse channel, i.e. a channel with a few non-zero taps, appears in many fields of communication including acoustic underwater or wireless transmissions...
130
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MOBIHOC
2003
ACM
16 years 3 months ago
2003
ACM
In this paper, we address the problem of energy-conscious cache placement in wireless ad hoc networks. We consider a network comprising a server with an interface to the wired net...
133
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PVLDB
2010
15 years 2 months ago
2010
Independence analysis is the problem of determining whether an update affects the result of a query, e.g. a constraint or materialized view. We develop a new, modular framework fo...
122
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DCOSS
2009
Springer
15 years 10 months ago
2009
Springer
We consider dual classes of geometric coverage problems, in which disks, corresponding to coverage regions of sensors, are used to cover a region or set of points in the plane. The...
144
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PVLDB
2010
15 years 2 months ago
2010
This paper introduces a new definition of dense subgraph pattern, the DN-graph. DN-graph considers both the size of the sub-structure and the minimum level of interactions betwee...