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DOLAP
2004
ACM
10 years 3 months ago
An analysis of additivity in OLAP systems
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
John Horner, Il-Yeol Song, Peter P. Chen
DOLAP
2004
ACM
10 years 3 months ago
A new OLAP aggregation based on the AHC technique
Nowadays, decision support systems are evolving in order to handle complex data. Some recent works have shown the interest of combining on-line analysis processing (OLAP) and data...
Riadh Ben Messaoud, Omar Boussaid, Sabine Rabas&ea...
DOLAP
2004
ACM
10 years 3 months ago
Beyond data warehousing: what's next in business intelligence?
During the last ten years the approach to business management has deeply changed, and companies have understood the importance of enforcing achievement of the goals defined by the...
Matteo Golfarelli, Stefano Rizzi, Iuris Cella
DOLAP
2004
ACM
10 years 3 months ago
Experimental evidence on partitioning in parallel data warehouses
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
Pedro Furtado
DOLAP
2004
ACM
10 years 3 months ago
PrefixCube: prefix-sharing condensed data cube
BST Condensed Cube is a fully computed cube that condenses those tuples, which are aggregated from the same single base relation tuple, into one physical tuple. Although it has be...
Jianlin Feng, Qiong Fang, Hulin Ding
DOLAP
2004
ACM
10 years 3 months ago
Aggregate queries in peer-to-peer OLAP
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
Mauricio Minuto Espil, Alejandro A. Vaisman
DOLAP
2004
ACM
10 years 3 months ago
Cardinality-based inference control in OLAP systems: an information theoretic approach
We address the inference control problem in data cubes with some data known to users through external knowledge. The goal of inference controls is to prevent exact values of sensi...
Nan Zhang 0004, Wei Zhao, Jianer Chen
DOLAP
2004
ACM
10 years 3 months ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
DOLAP
2004
ACM
10 years 3 months ago
Developing a characterization of business intelligence workloads for sizing new database systems
Computer system sizing involves estimating the amount of hardware resources needed to support a new workload not yet deployed in a production environment. In order to determine th...
Ted J. Wasserman, Patrick Martin, David B. Skillic...
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