407 search results - page 20 / 82 » Query Estimation by Adaptive Sampling |
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ICDE
2000
IEEE
16 years 1 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
This paper presents computationally efficient implementations for Iterative Adaptive Approach (IAA) spectral estimation techniques for uniformly sampled data sets. By exploiting ...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
In adaptive query processing, the way in which a query is evaluated is changed in the light of feedback obtained from the environment during query evaluation. Such feedback may, f...
ISCAS
2003
IEEE
15 years 5 months ago
2003
IEEE
A mixed-signal architecture for estimating the 3-D direction cosines of a broadband traveling wave impinging on an array of four sensors is presented. The architecture implements ...
AUSDM
2006
Springer
15 years 3 months ago
2006
Springer
If the dataset available to machine learning results from cluster sampling (e.g. patients from a sample of hospital wards), the usual cross-validation error rate estimate can lead...