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DAWAK
2005
Springer
16 years 2 days ago
Automatic Selection of Bitmap Join Indexes in Data Warehouses
The queries defined on data warehouses are complex and use several join operations that induce an expensive computational cost. This cost becomes even more prohibitive when querie...
Kamel Aouiche, Jérôme Darmont, Omar B...
EGC
2005
Springer
16 years 2 days ago
Fault Tolerance in the R-GMA Information and Monitoring System
R-GMA (Relational Grid Monitoring Architecture) [1] is a grid monitoring and information system that provides a global view of data distributed across a grid system. R-GMA creates ...
Rob Byrom, Brian A. Coghlan, Andrew W. Cooke, Rone...
SOFSEM
2004
Springer
15 years 12 months ago
Fuzzy Group Models for Adaptation in Cooperative Information Retrieval Contexts
Cooperation in information retrieval contexts can be used to share query results inside groups of individuals with common objectives, provided that all of them are aware of each ot...
Miguel Ángel Sicilia Urbán, Elena Ga...
VLDB
2004
ACM
126views Database» more  VLDB 2004»
15 years 12 months ago
Database Challenges in the Integration of Biomedical Data Sets
The clinical and basic science research domains present exciting and difficult data integration issues. Solving these problems is crucial as current research efforts in the field ...
Rakesh Nagarajan, Mushtaq Ahmed, Aditya Phatak
HICSS
2003
IEEE
107views Biometrics» more  HICSS 2003»
15 years 12 months ago
The Customer-Centric Data Warehouse - An Architectural Approach to Meet the Challenges of Customer Orientation
This paper presents research-in-progress. An extensive customer-centric data warehouse architecture should enable both complex analytical queries as well as standard reporting que...
Hans-Georg Kemper, Phil-Lip Lee