713 search results - page 99 / 143 » A Learning Optimizer for a Federated Database Management Sys... |
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...
158
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
The ability of fast similarity search at large scale is of great importance to many Information Retrieval (IR) applications. A promising way to accelerate similarity search is sem...
HPDC
2008
IEEE
15 years 4 months ago
2008
IEEE
As grid computation systems become larger and more complex, manually diagnosing failures in jobs becomes impractical. Recently, machine-learning techniques have been proposed to d...
87
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SIGMOD
1998
ACM
15 years 1 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...