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DOLAP
2000
ACM
10 years 4 months ago
Automatically Generating OLAP Schemata from Conceptual Graphical Models
Generating tool specific schemata and configuration information for OLAP database tools from conceptual graphical models is an important prerequisite for a comprehensive tool supp...
Karl Hahn, Carsten Sapia, Markus Blaschka
DOLAP
2000
ACM
10 years 4 months ago
Comparing Nested GPSJ Queries in Multidimensional Databases
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
Matteo Golfarelli, Stefano Rizzi
DOLAP
2000
ACM
10 years 4 months ago
CUBIST: A New Algorithm For Improving the Performance of Ad-hoc OLAP Queries
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
Lixin Fu, Joachim Hammer
DOLAP
2000
ACM
10 years 4 months ago
Incremental Update to Aggregated Information for Data Warehouses over Internet
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
Miranda Chan, Hong Va Leong, Antonio Si
DOLAP
2000
ACM
10 years 4 months ago
A General Framework for the View Selection Problem for Data Warehouse Design and Evolution
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Dimitri Theodoratos, Mokrane Bouzeghoub
DOLAP
2000
ACM
10 years 4 months ago
Analyzing Clickstreams Using Subsessions
Analyzing data obtained from web server logs, so-called “clickstreams”, is rapidly becoming one of the most important activities for companies in any sector as most businesses...
Jesper Andersen, Anders Giversen, Allan H. Jensen,...
DOLAP
2000
ACM
10 years 4 months ago
Incremental Maintenance of Materialized OQL Views
M. Akhtar Ali, Alvaro A. A. Fernandes, Norman W. P...
DOLAP
2000
ACM
10 years 4 months ago
Towards OLAP Security Design - Survey and Research Issues
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...
Torsten Priebe, Günther Pernul
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