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PVLDB
2010
99views more  PVLDB 2010»
13 years 9 months ago
Towards Certain Fixes with Editing Rules and Master Data
A variety of integrity constraints have been studied for data cleaning. While these constraints can detect the presence of errors, they fall short of guiding us to correct the err...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Weny...
OTM
2010
Springer
13 years 9 months ago
A Metamodel for Master Data
Abstract. The term ‘Master Data’ brings up different interpretations and connotations, especially with vendors espousing the “single version of the truth”. Is there a singl...
Baba Piprani, Suneil Dham
PODS
2010
ACM
228views Database» more  PODS 2010»
14 years 1 months ago
Capturing missing tuples and missing values
Databases in real life are often neither entirely closed-world nor entirely open-world. Indeed, databases in an enterprise are typically partially closed, in which a part of the d...
Wenfei Fan, Floris Geerts
DAWAK
2003
Springer
14 years 4 months ago
Automatic Detection of Structural Changes in Data Warehouses
Data Warehouses provide sophisticated tools for analyzing complex data online, in particular by aggregating data along dimensions spanned by master data. Changes to these master da...
Johann Eder, Christian Koncilia, Dieter Mitsche
OTM
2009
Springer
14 years 6 months ago
A Model for Semantic Equivalence Discovery for Harmonizing Master Data
IT projects often face the challenge of harmonizing metadata and data so as to have a “single” version of the truth. Determining equivalency of multiple data instances against ...
Baba Piprani