1724 search results - page 137 / 345 » Concurrency in the Data Warehouse |
161
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TPCTC
2009
Springer
16 years 28 days ago
2009
Springer
Extraction–Transform–Load (ETL) processes comprise complex data workflows, which are responsible for the maintenance of a Data Warehouse. A plethora of ETL tools is currently a...
145
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DOLAP
2009
ACM
16 years 27 days ago
2009
ACM
Recommending database queries is an emerging and promising field of investigation. This is of particular interest in the domain of OLAP systems where the user is left with the te...
165
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ADBIS
2005
Springer
15 years 12 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
136
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FOIKS
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. Dimension schemas are abstract models of the data hierarchies that populate OLAP warehouses. Although there is abundant work on schema equivalence in a variety of data mo...
152
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AI
2001
Springer
15 years 11 months ago
2001
Springer
As new transactions update data sources and subsequently the data warehouse, the previously discovered association rules in the old database may no longer be interesting rules in ...