37 search results - page 1 / 8 » Lineage tracing for general data warehouse transformations |
VLDB
2003
ACM
14 years 4 months ago
2003
ACM
Data warehousing systems integrate information from operational data sources into a central repository to enable analysis and mining of the integrated information. During the integ...
ICDE
2000
IEEE
13 years 9 months ago
2000
IEEE
We consider the view data lineage problem in a warehousing environment: For a given data item in a materialized warehouse view, we want to identify the set of source data items th...
DMDW
2001
13 years 5 months ago
2001
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...
DMDW
2000
13 years 5 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
DOLAP
1999
ACM
13 years 8 months ago
1999
ACM
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...