78 search results - page 3 / 16 » Progressive Query Optimization for Federated Queries |
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
SIGMOD
2005
ACM
14 years 5 months ago
2005
ACM
The problem of estimating progress for long-running queries has recently been introduced. We analyze the characteristics of the progress estimation problem, from the perspective o...
SIGMOD
2010
ACM
13 years 10 months ago
2010
ACM
We demonstrate ProgXe, a practical approach to support MultiCriteria Decision Support (MCDS) applications that need to report results as they are being generated to enable the use...
CVDB
2005
ACM
13 years 7 months ago
2005
ACM
The typical mode for querying in an image content-based information system is query-by-example, which allows the user to provide an image as a query and to search for similar imag...