265 search results - page 5 / 53 » Tree-width and functional dependencies in databases |
ADC
2005
Springer
14 years 1 months ago
2005
Springer
We study the design issues of data-centric XML documents where (1) there are no mixed contents, i.e., each element may have some subelements and attributes, or it may have a singl...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...
ICDE
2009
IEEE
13 years 5 months ago
2009
IEEE
When merging data from various sources, it is often the case that small variations in data format and interpretation cause traditional functional dependencies (FDs) to be violated,...
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
We introduce a new normal form, called essential tuple normal form (ETNF), for relations in a relational database where the constraints are given by functional dependencies and jo...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...