117 search results - page 12 / 24 » Metric operations on fuzzy spatial objects in databases |
ICDE
2000
IEEE
14 years 9 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...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
ENTCS
2010
13 years 7 months ago
2010
Process modeling languages such as "Dynamical Grammars" are highly expressive in the processes they model using stochastic and deterministic dynamical systems, and can b...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...