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DMDW
2001
128views Management» more  DMDW 2001»
13 years 8 months ago
Improving Data Cleaning Quality Using a Data Lineage Facility
The problem of data cleaning, which consists of removing inconsistencies and errors from original data sets, is well known in the area of decision support systems and data warehou...
Helena Galhardas, Daniela Florescu, Dennis Shasha,...
PVLDB
2008
106views more  PVLDB 2008»
13 years 5 months ago
A revival of integrity constraints for data cleaning
Integrity constraints, a.k.a. data dependencies, are being widely used for improving the quality of schema. Recently constraints have enjoyed a revival for improving the quality o...
Wenfei Fan, Floris Geerts, Xibei Jia
SIGMOD
1999
ACM
135views Database» more  SIGMOD 1999»
13 years 11 months ago
Improving OLTP Data Quality Using Data Warehouse Mechanisms
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...
Matthias Jarke, Christoph Quix, Guido Blees, Dirk ...
SIGMOD
2004
ACM
157views Database» more  SIGMOD 2004»
14 years 7 months ago
BIO-AJAX: An Extensible Framework for Biological Data Cleaning
As databases become more pervasive through the biological sciences, various data quality issues regarding data legacy, data uniformity and data duplication arise. Due to the natur...
Katherine G. Herbert, Narain H. Gehani, William H....
PVLDB
2008
111views more  PVLDB 2008»
13 years 6 months ago
Semandaq: a data quality system based on conditional functional dependencies
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