Sciweavers

Share
DMDW
2000
118views Management» more  DMDW 2000»
9 years 5 months ago
View security as the basis for data warehouse security
Access. permissions in a data warehouse are currently managed in a separate world from the sources' policies. The consequences are inconsistencies, slow response to change, a...
Arnon Rosenthal, Edward Sciore
DMDW
2000
121views Management» more  DMDW 2000»
9 years 5 months ago
From enterprise models to dimensional models: a methodology for data warehouse and data mart design
This paper describes a method for developing dimensional models from traditional Entity Relationship models. This can be used to design data warehouses and data marts based on ent...
Daniel L. Moody, Mark A. R. Kortink
DMDW
2000
116views Management» more  DMDW 2000»
9 years 5 months ago
Divide and aggregate: caching multidimensional objects
A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
Wolfgang Lehner, Jens Albrecht, Wolfgang Hümm...
DMDW
2000
151views Management» more  DMDW 2000»
9 years 5 months ago
Automated dimensionality reduction of data warehouses
A data warehouse is designed to consolidate and maintain all attributes that are relevant for the analysis processes. Due to the rapid increase in the size of the modern operation...
Mark Last, Oded Maimon
DMDW
2000
101views Management» more  DMDW 2000»
9 years 5 months ago
Metadata for object-relational data warehouse
For developing data warehouse (DW) and OnLine Analytical Processing (OLAP) systems, the dominant relational database reaches its limitations. On the way of the development, object...
Thanh N. Huynh, Oscar Mangisengi, A. Min Tjoa
DMDW
2000
161views Management» more  DMDW 2000»
9 years 5 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
DMDW
2000
136views Management» more  DMDW 2000»
9 years 5 months ago
Gulliver in the land of data warehousing: practical experiences and observations of a researcher
The gap between researchers and practitioners is widely discussed in the IT community. The purpose of this paper is towards showing the issues which occupy both research and pract...
Panos Vassiliadis
DMDW
2000
93views Management» more  DMDW 2000»
9 years 5 months ago
Storing auxiliary data for efficient maintenance and lineage tracing of complex views
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
Yingwei Cui, Jennifer Widom
DMDW
2000
173views Management» more  DMDW 2000»
9 years 5 months ago
A quality-based framework for physical data warehouse design
Data warehousing is a software infrastructure which supports OLAP applications by providing a collection of tools which allow data extraction and cleaning, data integration and ag...
Mokrane Bouzeghoub, Zoubida Kedad
books