59 search results - page 6 / 12 » Multi-Step Processing of Spatial Joins |
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
A join index hierarchy method is proposed to handle the "goto's on disk" problem in objectoriented query processing. The method constructs a hierarchy of join indic...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
Current data repositories include a variety of data types, including audio, images and time series. State of the art techniques for indexing such data and doing query processing r...
ADBIS
2003
Springer
14 years 23 days ago
2003
Springer
Let a tuple of n objects obeying a query graph (QG) be called the n-tuple. The “Ddistance-value” of this n-tuple is the value of a linear function of distances of the n objects...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
This paper presents a query optimizer module based on cost estimation that chooses the best filtering step algorithm to perform a specific spatial join operation. A set of express...
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
R-tree based spatial join is useful because of both its superior performance and the wide spread implementation of R-trees. We present a new R-tree join method called BFRJ (Breadt...