Abstract
In this paper, as our first proposal, we discuss a method for finding a rare pattern, called a chance pattern, which connects a pair of more frequent patterns. Particularly, our chance pattern is defined with a KeyGraph \(^{\tiny \textregistered}\)-based importance of patterns. More concretely speaking, a chance pattern is a pattern C which often appears in a part of documents containing a frequent pattern X L as well as in those containing another pattern X R , that is, confidence values of association rules, X L ⇒C and X R ⇒C, are relatively high. It would be expected that such a chance pattern C reveals a hidden and implicit relationships between X L and X R . We design clique-search-based algorithms for finding chance patterns with Top-N confidence values.
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Okubo, Y., Haraguchi, M., Hirokawa, S. (2011). Finding Top-N Chance Patterns with KeyGraph\(^{\tiny \textregistered}\)-Based Importance. In: König, A., Dengel, A., Hinkelmann, K., Kise, K., Howlett, R.J., Jain, L.C. (eds) Knowlege-Based and Intelligent Information and Engineering Systems. KES 2011. Lecture Notes in Computer Science(), vol 6882. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23863-5_47
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DOI: https://doi.org/10.1007/978-3-642-23863-5_47
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