15 search results - page 1 / 3 » Spatial Query Estimation without the Local Uniformity Assump... |
GEOINFORMATICA
2006
13 years 4 months ago
2006
Existing estimation approaches for spatial databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Moreover, the...
CIKM
2003
Springer
13 years 10 months ago
2003
Springer
Existing estimation approaches for multi-dimensional databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Mo...
TSP
2010
12 years 11 months ago
2010
In real-world applications such as those for speech and audio, there are signals that are nonstationary but can be modeled as being stationary within local time frames. Such signal...
ICDE
2000
IEEE
14 years 6 months ago
2000
IEEE
Analysis of range queries on spatial (multidimensional) data is both important and challenging. Most previous analysis attempts have made certain simplifying assumptions about the...
ICDE
2012
IEEE
11 years 7 months ago
2012
IEEE
Abstract—Progress indicators for SQL queries were first published in 2004 with the simultaneous and independent proposals from Chaudhuri et al. and Luo et al. In this paper, we ...