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» A plan for OLAP
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EDBT
2010
ACM
125views Database» more  EDBT 2010»
13 years 7 months ago
A plan for OLAP
So far, data warehousing has often been discussed in the light of complex OLAP queries and as reporting facility for operative data. We argue that business planning as a means to ...
Bernhard Jaecksch, Wolfgang Lehner, Franz Faerber
ICDE
2005
IEEE
101views Database» more  ICDE 2005»
14 years 5 months ago
GPIVOT: Efficient Incremental Maintenance of Complex ROLAP Views
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
Songting Chen, Elke A. Rundensteiner
DAWAK
2001
Springer
13 years 8 months ago
Optimization Algorithms for Simultaneous Multidimensional Queries in OLAP Environments
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
Panos Kalnis, Dimitris Papadias
PVLDB
2008
84views more  PVLDB 2008»
13 years 3 months ago
When is it time to rethink the aggregate configuration of your OLAP server?
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
Katja Hose, Daniel Klan, Matthias Marx, Kai-Uwe Sa...
EDBT
2002
ACM
141views Database» more  EDBT 2002»
14 years 3 months ago
Efficient OLAP Query Processing in Distributed Data Warehouses
Abstract. The success of Internet applications has led to an explosive growth in the demand for bandwidth from ISPs. Managing an IP network requires collecting and analyzing networ...
Michael O. Akinde, Michael H. Böhlen, Theodor...