651 search results - page 67 / 131 » Selectivity estimation in spatial networks |
MOBIHOC
2005
ACM
14 years 9 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
13 years 10 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...
IMC
2004
ACM
14 years 3 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...
ICML
2008
IEEE
14 years 10 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...
JMLR
2012
12 years 11 days 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...