265 search results - page 6 / 53 » Tree-width and functional dependencies in databases |
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
ADC
2005
Springer
14 years 1 months ago
2005
Springer
With the advent of XML and its use as a database language, dependency and normal form theory has attracted novel research interest. Several approaches to build up a dependency and...
TKDE
1998
13 years 7 months ago
1998
-- We estimate the availability, reliability, and mean transaction time (response time) for repairable database configurations, centralized or distributed, in which each service co...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
With the rise of XML as a standard model of data exchange, XML functional dependencies (XFDs) have become important to areas such as key analysis, document normalization, and data ...