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» Optimizing Queries with Materialized Views
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ICDE
2005
IEEE
101views Database» more  ICDE 2005»
14 years 11 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
WAIM
2010
Springer
13 years 8 months ago
Query Processing with Materialized Views in a Traceable P2P Record Exchange Framework
Materialized views which are derived from base relations and stored in the database are often used to speed up query processing. In this paper, we leverage them in a traceable peer...
Fengrong Li, Yoshiharu Ishikawa
DAWAK
2001
Springer
14 years 2 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
DOLAP
2000
ACM
14 years 2 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
ICDE
2008
IEEE
137views Database» more  ICDE 2008»
14 years 11 months ago
Multiple Materialized View Selection for XPath Query Rewriting
We study the problem of answering XPATH queries using multiple materialized views. Despite the efforts on answering queries using single materialized view, answering queries using ...
Byron Choi, Jeffrey Xu Yu, Kam-Fai Wong, M. Tamer ...