Sciweavers

DOLAP
2004
ACM
14 years 2 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
14 years 2 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
14 years 2 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
14 years 2 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
14 years 2 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
14 years 2 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...
DOLAP
2004
ACM
14 years 2 months ago
Data warehouse design to support customer relationship management analyses
CRM is a strategy that integrates the concepts of Knowledge Management, Data Mining, and Data Warehousing in order to support the organization’s decision-making process to retai...
Colleen Cunningham, Il-Yeol Song, Peter P. Chen
DOLAP
2004
ACM
14 years 2 months ago
Handling big dimensions in distributed data warehouses using the DWS technique
The DWS (Data Warehouse Striping) technique allows the distribution of large data warehouses through a cluster of computers. The data partitioning approach partition the facts tab...
Marco Costa, Henrique Madeira
DOLAP
2004
ACM
14 years 2 months ago
Physical modeling of data warehouses using UML
During the few last years, several approaches have been proposed to model different aspects of a Data Warehouse (DW), such as the conceptual model of the DW, the design of the ET...
Sergio Luján-Mora, Juan Trujillo