651 search results - page 67 / 131 » Selectivity estimation in spatial networks |
102
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MOBIHOC
2005
ACM
16 years 1 months ago
2005
ACM
We propose a new link metric called normalized advance (NADV) for geographic routing in multihop wireless networks. NADV selects neighbors with the optimal trade-off between proxi...
IJSNET
2008
15 years 1 months ago
2008
: Interference from colocated networks operating over the same frequency range, becomes an increasingly severe problem as the number of networks overlapping geographically increase...
117
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IMC
2004
ACM
15 years 7 months ago
2004
ACM
In this paper, we propose a model for representing and predicting distances in large-scale networks by matrix factorization. The model is useful for network distance sensitive app...
122
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ICML
2008
IEEE
16 years 2 months ago
2008
IEEE
Deep Belief Networks (DBN's) are generative models that contain many layers of hidden variables. Efficient greedy algorithms for learning and approximate inference have allow...
147
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JMLR
2012
13 years 4 months ago
2012
The expectation maximization (EM) algorithm is a popular algorithm for parameter estimation in models with hidden variables. However, the algorithm has several non-trivial limitat...