2011 Seventh International Conference on Computational Intelligence and Security 2011
DOI: 10.1109/cis.2011.297
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Promotion Analysis Based on Fitting in Multi-Level Space

Abstract: This paper addresses an interesting problem, which is to find top-k L-Regions of a given object in a fact table with multiple dimensions and each dimension has one hierarchy with multiple levels. L-Region is a variant of combination of members from each dimension. To tackle the problem of the large solution space, we propose a materialized strategy called LR-Cube, which balances storage and time overhead by model fitting. The LRAPQuery designed in this paper is a query guaranteeing completeness and uniqueness … Show more

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