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DMDW
2001
307views Management» more  DMDW 2001»
13 years 6 months ago
An Analysis of Many-to-Many Relationships Between Fact and Dimension Tables in Dimensional Modeling
Star schema, which maintains one-to-many relationships between dimensions and a fact table, is widely accepted as the most viable data representation for dimensional analysis. Rea...
Il-Yeol Song, William Rowen, Carl Medsker, Edward ...
DMDW
2001
232views Management» more  DMDW 2001»
13 years 6 months ago
Towards Data Warehouse Quality Metrics
Organizations are adopting datawarehouses to manage information efficiently as "the" main organizational asset. It is essential that we can assure the information qualit...
Coral Calero, Mario Piattini, Carolina Pascual, Ma...
DMDW
2001
194views Management» more  DMDW 2001»
13 years 6 months ago
Logical Multidimensional Database Design for Ragged and Unbalanced Aggregation
Research on logical design of OLAP cubes has tended to assume that the rollup hierarchy in a cube dimension takes the form of a balanced tree. However, experience from industry in...
Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch
DMDW
2001
162views Management» more  DMDW 2001»
13 years 6 months ago
A Data Warehouse Architecture for Meteo Swiss: An Experience Report
In this experience report we consider some issues in the development of a data warehouse for meteorological and climatology data at MeteoSwiss. The paper describes the meteorologi...
Christian Häberli, Dimitris Tombros
DMDW
2001
128views Management» more  DMDW 2001»
13 years 6 months ago
Improving Data Cleaning Quality Using a Data Lineage Facility
The problem of data cleaning, which consists of removing inconsistencies and errors from original data sets, is well known in the area of decision support systems and data warehou...
Helena Galhardas, Daniela Florescu, Dennis Shasha,...
Management
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