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CIKM
1998
Springer
11 years 9 months ago
Selectivity Estimation of Window Queries
Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS 8, 9] multimedia 6] and ev...
Guido Proietti, Christos Faloutsos
SSD
2005
Springer
122views Database» more  SSD 2005»
11 years 10 months ago
Selectivity Estimation of High Dimensional Window Queries via Clustering
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
Christian Böhm, Hans-Peter Kriegel, Peer Kr&o...
ICDE
2000
IEEE
183views Database» more  ICDE 2000»
12 years 6 months ago
Accurate Estimation of the Cost of Spatial Selections
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...
Ashraf Aboulnaga, Jeffrey F. Naughton
ICDE
2000
IEEE
158views Database» more  ICDE 2000»
12 years 6 months ago
Analyzing Range Queries on Spatial Data
Analysis of range queries on spatial (multidimensional) data is both important and challenging. Most previous analysis attempts have made certain simplifying assumptions about the...
Ji Jin, Ning An, Anand Sivasubramaniam
ICCV
2003
IEEE
12 years 7 months ago
Regression based Bandwidth Selection for Segmentation using Parzen Windows
We consider the problem of segmentation of images that can be modelled as piecewise continuous signals having unknown, non-stationary statistics. We propose a solution to this pro...
Maneesh Kumar Singh, Narendra Ahuja
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