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Relative Novelty Detection

Smola, Alexander; Song, Le; Teo, Choon-Hui


Novelty detection is an important tool for unsupervised data analysis. It relies on finding regions of low density within which events are then flagged as novel. By design this is dependent on the underlying measure of the space. In this paper we derive a formulation which is able to address this problem by allowing for a reference measure to be given in the form of a sample from an alternative distribution. We show that this optimization problem can be solved efficiently and that it works well...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Conference paper
Source: Proceedings of International Conference on Artificial Intelligence and Statistics (AISTATS 2009)


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01_Smola_Relative_Novelty_Dete_2009.pdf960.36 kBAdobe PDF    Request a copy
02_Smola_Relative_Novelty_Dete_2009.pdf61.99 kBAdobe PDF    Request a copy
03_Smola_Relative_Novelty_Dete_2009.pdf24.2 kBAdobe PDF    Request a copy

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