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OLAP cube normalisation controls the structural sparsity resulting from inter-dimensional functional dependencies. We assume that functional dependencies are ...
OLAP cube normalisation controls the structural sparsity resulting from inter-dimensional functional dependencies. We assume that functional dependencies are ...
Sep 1, 2003 · Normalising OLAP cubes for controlling sparsity for Data and Knowledge Engineering by Tapio Niemi et al.
OLAP cube normalisation controls the structural sparsity resulting from inter-dimensional functional dependencies. We assume that functional dependencies are ...
This paper proposes to characterize the parts of a data cube to be materialized with the help of the FD's present in the underlying data to guarantee a ...
“Normalising OLAP cubes for controlling sparsity” is a paper by Tapio Niemi Jyrki Nummenmaa Peter Thanisch published in 2003. It has an Open Access status of “ ...
We use dependency information to control sparsity, since functional dependencies between dimensions clearly increase sparsity. Our method helps the user in ...
Missing: Normalising | Show results with:Normalising
Abstract. We will study how relational dependency information can be applied to OLAP cube design. We use dependency information to control sparsity,.
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The third paper, “Normalising OLAP Cubes for Controlling Sparsity”, presents how functional dependencies can be applied in logical OLAP design. The main aim ...
Constructing an OLAP cube from distributed XML data. Tapio Niemi; Marko Niinimäki; et al. 2002; DOLAP 2002. Normalising OLAP cubes for controlling sparsity.