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On characterization and discovery of minimal unexpected patterns in rule discovery

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2 Author(s)
Padmanabhan, B. ; Oper. & Inf. Manage. Dept., Pennsylvania Univ., Philadelphia, PA, USA ; Tuzhilin, A.

A drawback of traditional data-mining methods is that they do not leverage prior knowledge of users. In prior work, we proposed a method that could discover unexpected patterns in data by using domain knowledge in a systematic manner. In this paper, we present new methods for discovering a minimal set of unexpected patterns by combining the two, independent concepts of minimality and unexpectedness, both of which have been well-studied in the KDD literature. We demonstrate the strengths of this approach experimentally using a case study in a marketing domain.

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Knowledge and Data Engineering, IEEE Transactions on  (Volume:18 ,  Issue: 2 )