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» Propagating functional dependencies with conditions

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PVLDB
2008

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Semandaq: a data quality system based on conditional functional dependencies

13 years 4 months ago

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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...

Wenfei Fan, Floris Geerts, Xibei Jia

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ICDE
2009
IEEE

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Discovering Conditional Functional Dependencies

14 years 6 months ago

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This paper investigates the discovery of conditional functional dependencies (CFDs). CFDs are a recent extension of functional dependencies (FDs) by supporting patterns of semantic...

Wenfei Fan, Floris Geerts, Laks V. S. Lakshmanan, ...

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ICDE
2008
IEEE

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Increasing the Expressivity of Conditional Functional Dependencies without Extra Complexity

14 years 6 months ago

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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...

Loreto Bravo, Wenfei Fan, Floris Geerts, Shuai Ma

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PVLDB
2008

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On generating near-optimal tableaux for conditional functional dependencies

13 years 4 months ago

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Lukasz Golab, Howard J. Karloff, Flip Korn, Divesh...

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