223 search results - page 1 / 45 » Conditional functional dependencies for capturing data incon... |
TODS
2008
13 years 4 months ago
2008
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
PVLDB
2008
13 years 4 months ago
2008
We present SEMANDAQ, a prototype system for improving the quality of relational data. Based on the recently proposed conditional functional dependencies (CFDs), it detects and rep...
ICDE
2008
IEEE
14 years 6 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...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
Two central criteria for data quality are consistency and accuracy. Inconsistencies and errors in a database often emerge as violations of integrity constraints. Given a dirty dat...