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104
Voted
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
15 years 6 months ago
Variance aware optimization of parameterized queries
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
Surajit Chaudhuri, Hongrae Lee, Vivek R. Narasayya
94
Voted
VLDB
1998
ACM
101views Database» more  VLDB 1998»
15 years 6 months ago
On Optimal Node Splitting for R-trees
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
Yván J. García, Mario A. Lopez, Scot...
SSDBM
2009
IEEE
174views Database» more  SSDBM 2009»
15 years 8 months ago
Optimization and Execution of Complex Scientific Queries over Uncorrelated Experimental Data
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
Ruslan Fomkin, Tore Risch
115
Voted
GEOINFORMATICA
1998
79views more  GEOINFORMATICA 1998»
15 years 1 months ago
Symbolic Intersect Detection: A Method for Improving Spatial Intersect Joins
Due to the increasing popularity of spatial databases, researchers have focused their efforts on improving the query processing performance of the most expensive spatial database ...
Yun-Wu Huang, Matthew C. Jones, Elke A. Rundenstei...
128
Voted
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
16 years 2 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald