808 search results - page 56 / 162 » On the Estimation of Join Result Sizes |
100
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SAC
2008
ACM
15 years 4 days ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
ICASSP
2011
IEEE
14 years 4 months ago
2011
IEEE
Under high mobility, the orthogonality between sub-carriers in an OFDM symbol is destroyed resulting in severe intercarrier interference (ICI). We present a novel algorithm to est...
106
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EUROPAR
2009
Springer
15 years 5 months ago
2009
Springer
The paper presents a new data partitioning algorithm for parallel computing on heterogeneous processors. Like traditional functional partitioning algorithms, the algorithm assumes ...
112
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CORR
2010
Springer
15 years 23 days ago
2010
Springer
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
109
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CORR
2007
Springer
15 years 19 days ago
2007
Springer
We consider the problem of estimating the parameters of a Gaussian or binary distribution in such a way that the resulting undirected graphical model is sparse. Our approach is to...