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ADBIS
1995
Springer
112views Database» more  ADBIS 1995»
15 years 1 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
GIS
2007
ACM
15 years 1 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
VLDB
1989
ACM
140views Database» more  VLDB 1989»
15 years 1 months ago
The Effect of Bucket Size Tuning in the Dynamic Hybrid GRACE Hash Join Method
In this paper, we show detailed analysis and performance evaluation of the Dynamic Hybrid GRACE Hash Join Method (DHGH Method) when the tuple distribution in buckets is unbalanced...
Masaru Kitsuregawa, Masaya Nakayama, Mikio Takagi
SSD
2001
Springer
94views Database» more  SSD 2001»
15 years 2 months ago
Selectivity Estimation of Complex Spatial Queries
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
Nikos Mamoulis, Dimitris Papadias
94
Voted
JUCS
2002
231views more  JUCS 2002»
14 years 9 months ago
Efficient Content-Based and Metadata Retrieval in Image Database
: Managing image data in a database system using metadata has been practiced since the last two decades. However, describing an image fully and adequately with metadata is practica...
Solomon Atnafu, Richard Chbeir, Lionel Brunie