287 search results - page 57 / 58 » Optimization Techniques for Queries with Expensive Methods |
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Entity matching (a.k.a. record linkage) plays a crucial role in integrating multiple data sources, and numerous matching solutions have been developed. However, the solutions have...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
ICDE
1998
IEEE
14 years 8 months ago
1998
IEEE
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
DOLAP
2006
ACM
14 years 1 months ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...
VLDB
2004
ACM
14 years 21 days ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...