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Fast & Confident Probabilistic Categorization

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Document pages: 8 pages

Abstract: We describe NRC s submission to the Anomaly Detection Text Mining competition organised at the Text Mining Workshop 2007. This submission relies on a straightforward implementation of the probabilistic categoriser described in (Gaussier et al., ECIR 02). This categoriser is adapted to handle multiple labelling and a piecewise-linear confidence estimation layer is added to provide an estimate of the labelling confidence. This technique achieves a score of 1.689 on the test data.

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