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2014 47th Hawaii International Conference on System Sciences (2008)
Waikoloa, Big Island, Hawaii
Jan. 7, 2008 to Jan. 10, 2008
ISSN: 1530-1605
ISBN: 0-7695-3075-3
pp: 394
Although Data Warehousing is regarded as a mature technology now, the definition of a federated architecture for Data Warehouse (DW) integration remains an open re- search question. This paper identifies requirements on a Federated DW System and proposes an architecture sup- porting the tightly coupled integration of heterogeneous data marts into a global, logical schema. In order to en- able the processing of queries in the federation, our ap- proach provides a Dimension Algebra (DA) and Fact Al- gebra (FA) to define the mappings between the global and local schemas. Moreover, we demonstrate how to apply DA and FA expressions for dimension and fact integration and explain the benefits of such an approach.
Michael Schrefl, Stefan Berger, "From Federated Databases to a Federated Data Warehouse System", 2014 47th Hawaii International Conference on System Sciences, vol. 00, no. , pp. 394, 2008, doi:10.1109/HICSS.2008.178
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