Sciweavers

168 search results - page 5 / 34
» Incremental Distance Join Algorithms for Spatial Databases
Sort
View
SSD
1999
Springer
97views Database» more  SSD 1999»
14 years 3 days ago
A Performance Evaluation of Spatial Join Processing Strategies
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
Apostolos Papadopoulos, Philippe Rigaux, Michel Sc...
GIS
2007
ACM
13 years 11 months ago
Pipelined spatial join processing for quadtree-based indexes
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
Walid G. Aref
EDBT
1994
ACM
149views Database» more  EDBT 1994»
13 years 12 months ago
On the Estimation of Join Result Sizes
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
Arun N. Swami, K. Bernhard Schiefer
ADBIS
1995
Springer
112views Database» more  ADBIS 1995»
13 years 11 months ago
Spatial Joins and R-trees
One of the most important operations in spatial access needed systems are spatial joins. Using for processing such operations R-tree like structures is intensively studies now. Th...
M. G. Martynov
ICDM
2002
IEEE
163views Data Mining» more  ICDM 2002»
14 years 24 days ago
High Performance Data Mining Using the Nearest Neighbor Join
The similarity join has become an important database primitive to support similarity search and data mining. A similarity join combines two sets of complex objects such that the r...
Christian Böhm, Florian Krebs