226 search results - page 23 / 46 » GAC on Conjunctions of Constraints |
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
ICDE
1999
IEEE
14 years 8 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
ICDT
2010
ACM
14 years 4 months ago
2010
ACM
It is known that the composition of schema mappings, each specified by source-to-target tgds (st-tgds), can be specified by a secondorder tgd (SO tgd). We consider the question of...
KDD
2002
ACM
14 years 8 months ago
2002
ACM
Data on individuals and entities are being collected widely. These data can contain information that explicitly identifies the individual (e.g., social security number). Data can ...
IPPS
2009
IEEE
14 years 2 months ago
2009
IEEE
In the past years Dynamic Voltage and Frequency Scaling (DVFS) has been an effective technique that allowed microprocessors to match a predefined power budget. However, as process...