223 search results - page 2 / 45 » Conditional functional dependencies for capturing data incon... |
ICDE
2010
IEEE
15 years 6 months ago
2010
IEEE
— One of the central problems for data quality is inconsistency detection. Given a database D and a set Σ of dependencies as data quality rules, we want to identify tuples in D ...
DEXA
2009
Springer
15 years 4 months 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...
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ICDE
2012
IEEE
12 years 12 months ago
2012
IEEE
—This paper investigates the problem of incremental detection of errors in distributed data. Given a distributed database D, a set Σ of conditional functional dependencies (CFDs...
BNCOD
2009
14 years 10 months ago
2009
Real-life date is often dirty and costs billions of pounds to businesses worldwide each year. This paper presents a promising approach to improving data quality. It effectively det...
PVLDB
2008
14 years 9 months ago
2008
The dependency propagation problem is to determine, given a view defined on data sources and a set of dependencies on the sources, whether another dependency is guaranteed to hold...