97 search results - page 3 / 20 » Conditional Functional Dependencies for Data Cleaning |
SIGMOD
2009
ACM
14 years 6 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...
DEXA
2009
Springer
14 years 11 days ago
2009
Springer
Abstract. This paper proposes a natural extension of conditional functional dependencies (cfds [14]) and conditional inclusion dependencies (cinds [8]), denoted by cfdp s and cindp...
PVLDB
2010
13 years 4 months ago
2010
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
PAKDD
2005
ACM
13 years 11 months ago
2005
ACM
The usefulness of the results produced by data mining methods can be critically impaired by several factors such as (1) low quality of data, including errors due to contamination, ...
VLDB
2007
ACM
14 years 6 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...