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» Multi-objective Query Processing for Database Systems
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ICDE
1993
IEEE
116views Database» more  ICDE 1993»
15 years 1 months ago
The Volcano Optimizer Generator: Extensibility and Efficient Search
Emerging database application domains demand not only new functionality but also high performance. To satisfy these two requirements, the Volcano project provides efficient, exten...
Goetz Graefe, William J. McKenna
DEBU
2006
166views more  DEBU 2006»
14 years 9 months ago
Oracle's Self-Tuning Architecture and Solutions
Performance tuning in modern database systems requires a lot of expertise, is very time consuming and often misdirected. Tuning attempts often lack a methodology that has a holist...
Benoît Dageville, Karl Dias
SIGMOD
2010
ACM
159views Database» more  SIGMOD 2010»
14 years 8 months ago
Histograms reloaded: the merits of bucket diversity
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
Carl-Christian Kanne, Guido Moerkotte
EDBT
2009
ACM
184views Database» more  EDBT 2009»
15 years 4 months ago
Distributed similarity search in high dimensions using locality sensitive hashing
In this paper we consider distributed K-Nearest Neighbor (KNN) search and range query processing in high dimensional data. Our approach is based on Locality Sensitive Hashing (LSH...
Parisa Haghani, Sebastian Michel, Karl Aberer
CIKM
2005
Springer
15 years 3 months ago
On reducing redundancy and improving efficiency of XML labeling schemes
The basic relationships to be determined in XML query processing are ancestor-descendant (A-D), parent-child (P-C), sibling and ordering relationships. The containment labeling sc...
Changqing Li, Tok Wang Ling, Jiaheng Lu, Tian Yu