Mining Associations Using Directed Hypergraphs
Ramanuja Simha, Rahul S. Tripathi, Mayur Thakur · 2012
We introduce the notion of association rules for multi-valued attributes, which is an adaptation of the definition of quantitative association rules known in the literature. The association rules for multi-valued attributes are integrated in building a novel directed hypergraph based model for databases that allows to capture attribute-level associations and their strength. Basing on this model, we provide association-based similarity notions between any two attributes and present a method for finding clusters of similar attributes. We then propose an algorithm to identify a subset of attributes known as a leading indicator that influences the values of almost all other attributes. Finally, we present an association-based classifier that can be used to predict values of attributes. We demonstrate the effectiveness of our proposed model through experiments on a financial timeseries data set (S&P 500).