Association Rule Mining Using List Representation
Author(s)
F. Wang, N. Helian & Y. J. Yip
Abstract
Association rule mining using list
representation
F. wang', N. ~elian' & Y. J. yip2
I School of Computing, Communication and Mathematics,
London Metropolitan University, UK
2 School of Computing and Mathematics, University of Teesside, UK
Abstract
Typically 80% of the data in the logical OLAP datacube, the core engine of data
warehouses, are zero. When it comes to sparse, the performance quickly
degrades due to the heavy VO overheads in sorting and merging intermediate
results. In this work, we first introduce a list representation in main memory for
storing and computing datasets. The sparse transaction dataset is compressed as
the empty cells are removed Accordingly we propose a new algorithm for
association rule mining on the platform of list representation, which just needs to
scan the transaction database once to generate all the possible rules. In contrast,
the well-known a priori algorithm requires repeated scans of the databases,
thereby resulting in heavy VO accesses particularly when
Keywords
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Code
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