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SAC
2004
ACM
13 years 10 months ago
Information requirements engineering for data warehouse systems
Information requirements analysis for data warehouse systems differs significantly from requirements analysis for conventional information systems. Based on interviews with projec...
Robert Winter, Bernhard Strauch
SAC
2004
ACM
13 years 10 months ago
Creation and management of versions in multiversion data warehouse
A data warehouse (DW) provides an information for analytical processing, decision making, and data mining tools. On the one hand, the structure and content of a data warehouse ref...
Bartosz Bebel, Johann Eder, Christian Koncilia, Ta...
DOLAP
2004
ACM
13 years 10 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
13 years 10 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
DILS
2005
Springer
13 years 10 months ago
Hybrid Integration of Molecular-Biological Annotation Data
: We present a new approach to integrate annotation data from public sources for the expression analysis of genes and proteins. Expression data is materialized in a data warehouse ...
Toralf Kirsten, Hong Hai Do, Christine Körner...
DAWAK
2005
Springer
13 years 10 months ago
Event-Feeded Dimension Solution
Abstract. From the point of view of a data warehouse system its part of collecting and receiving information from other systems is crucial for all subsequent business intelligence ...
Tho Manh Nguyen, Jaromir Nemec, Martin Windisch
DAWAK
2005
Springer
13 years 10 months ago
DWEB: A Data Warehouse Engineering Benchmark
Abstract. Data warehouse architectural choices and optimization techniques are critical to decision support query performance. To facilitate these choices, the performance of the d...
Jérôme Darmont, Omar Boussaid, Fadila...
DAWAK
2005
Springer
13 years 10 months ago
Automatic Selection of Bitmap Join Indexes in Data Warehouses
The queries defined on data warehouses are complex and use several join operations that induce an expensive computational cost. This cost becomes even more prohibitive when querie...
Kamel Aouiche, Jérôme Darmont, Omar B...
BTW
2005
Springer
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13 years 10 months ago
Hybride Integration von molekularbiologischen Annotationsdaten
Abstract: Wir präsentieren einen Ansatz, um Annotationsdaten von molekularbiologischen Objekten wie Genen, Proteinen und Pathways aus öffentlichen Datenquellen für datenintensiv...
Christine Körner, Toralf Kirsten, Hong Hai Do...
WWW
2005
ACM
13 years 10 months ago
X-warehouse: building query pattern-driven data
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
Ji Zhang, Wei Wang, Han Liu, Sheng Zhang