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» Multiple View Consistency for Data Warehousing
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PODS
1998
ACM
116views Database» more  PODS 1998»
13 years 9 months ago
Complexity of Answering Queries Using Materialized Views
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
Serge Abiteboul, Oliver M. Duschka
ICDE
2007
IEEE
133views Database» more  ICDE 2007»
13 years 11 months ago
Data Mining for Effective Risk Analysis in a Bank Intelligence Scenario
We propose a data warehousing architecture for effective risk analysis in a banking scenario. The core of the architecture consists in two data mining tools for improving the qual...
Gianni Costa, Francesco Folino, Antonio Locane, Gi...
WEBDB
2009
Springer
130views Database» more  WEBDB 2009»
13 years 11 months ago
A Referential Integrity Browser for Distributed Databases
We demonstrate a program that can inspect a distributed relational database on the Internet to discover and quantify referential integrity issues for integration purposes. The pro...
Carlos Ordonez, Javier García-García...
SIGMOD
2004
ACM
144views Database» more  SIGMOD 2004»
14 years 5 months ago
Diamond in the Rough: Finding Hierarchical Heavy Hitters in Multi-Dimensional Data
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
DKE
1999
118views more  DKE 1999»
13 years 4 months ago
Designing Data Warehouses
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
Dimitri Theodoratos, Timos K. Sellis