ICDE
2000
IEEE
14 years 5 months ago
2000
IEEE
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
ICDE
2000
IEEE
14 years 5 months ago
2000
IEEE
ICDE
2000
IEEE
14 years 5 months ago
2000
IEEE
Although there has been much written about various information integration technologies, little has been said regarding how to combine these technologies together to build an enti...
ICDE
2000
IEEE
14 years 5 months ago
2000
IEEE
XML is here as the internet standard for information exchange among e-businesses and applications. With its dramatic adoption and its ability to model structured, unstructured and...
ICDE
2000
IEEE
14 years 5 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...