166 search results - page 5 / 34 » Extending the Search Strategy in a Query Optimizer |
ADC
2006
Springer
14 years 1 months ago
2006
Springer
Many strategies for similarity search in image databases assume a metric and quadratic form-based similarity model where an optimal lower bounding distance function exists for fil...
CEC
2009
IEEE
14 years 2 months ago
2009
IEEE
— We extend the Evolution Strategy with Covariance Matrix Adaptation (CMA-ES) by collaborative concepts from Particle Swarm Optimization (PSO). The proposed Particle Swarm CMA-ES...
IDEAS
2003
IEEE
14 years 19 days ago
2003
IEEE
As the popularity of XML keeps growing rapidly, XML compliant structured document management becomes an interesting and compelling research area. Query optimization for structured...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...