6004 search results - page 133 / 1201 » Parallelizing query optimization |
ICDE
2001
IEEE
14 years 11 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
ADC
2005
Springer
14 years 3 months ago
2005
Springer
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
DEXA
2003
Springer
14 years 3 months ago
2003
Springer
Streaming XML documents has many emerging applications. However, in this paper, we show that the restrictions imposed by data streaming are too restrictive for processing twig quer...
WEBDB
2000
Springer
14 years 1 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
IIWAS
2004
13 years 11 months ago
2004
Access to different and remote sources with heterogeneous formats is one of the most important challenges in Enterprise Information Integration. Even though there exists an increa...