223 search results - page 1 / 45 » Conditional functional dependencies for capturing data incon... |
TODS
2008
13 years 11 months ago
2008
ICDE
2007
IEEE
15 years 11 days 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 10 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
15 years 11 days 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 11 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...