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» Redundancy in Spatial Databases
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ICDE
2006
IEEE
152views Database» more  ICDE 2006»
14 years 1 months ago
Redundancy Awareness in SQL Queries
In this paper, we study SQL queries with aggregate subqueries that share common tables and conditions with the outer query. While several approaches can deal with such queries, th...
Bin Cao, Antonio Badia
SSD
2001
Springer
94views Database» more  SSD 2001»
13 years 12 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
TSDM
2000
189views Data Mining» more  TSDM 2000»
13 years 11 months ago
Join Indices as a Tool for Spatial Data Mining
The growing production of maps is generating huge volume of data stored in large spatial databases. This huge volume of data exceeds the human analysis capabilities. Spatial data m...
Karine Zeitouni, Laurent Yeh, Marie-Aude Aufaure
JCSS
2000
92views more  JCSS 2000»
13 years 7 months ago
Querying Spatial Databases via Topological Invariants
The paper investigates the use of topological annotations (called topological invariants) to answer topological queries in spatial databases. The focus is on the translation of to...
Luc Segoufin, Victor Vianu
CGO
2003
IEEE
14 years 24 days ago
Optimizing Memory Accesses For Spatial Computation
In this paper we present the internal representation and optimizations used by the CASH compiler for improving the memory parallelism of pointer-based programs. CASH uses an SSA-b...
Mihai Budiu, Seth Copen Goldstein