514 search results - page 77 / 103 » Management Of Schema Evolution In Databases |
DAWAK
2008
Springer
14 years 11 months ago
2008
Springer
Abstract. Data mining algorithms are often embedded in more complex systems, serving as the provider of data for internal decision making within these systems. In this paper we add...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
APCCM
2006
14 years 11 months ago
2006
A wide range of database applications manage information that varies over time. Many of the underlying database schemas of these were designed using one of the several versions of...
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ER
2004
Springer
15 years 3 months ago
2004
Springer
An open challenge is to integrate XML and conceptual modeling in order to satisfy large-scale enterprise needs. Because enterprises typically have many data sources using differe...
DOLAP
2007
ACM
15 years 1 months ago
2007
ACM
In this paper, we deal with the problem of determining the best possible physical implementation of an ETL workflow, given its logical-level description and an appropriate cost mo...