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    Non-negative Matrix Factorization, Convexity and Isometry.
    16 years 24 days ago
    Non-negative Matrix Factorization, Convexity and Isometry.
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    In this paper we explore avenues for improving the reliability of dimensionality reduction methods such as Non-Negative Matrix Factorization (NMF) as interpretive exploratory data...
    Nikolaos Vasiloglou, Alexander G. Gray, David V. A...
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    Discretized Spatio-Temporal Scan Window.
    16 years 24 days ago
    Discretized Spatio-Temporal Scan Window.
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    The focus of this paper is the discovery of anomalous spatio-temporal windows. We propose a Discretized SpatioTemporal Scan Window approach to address the question of how we can t...
    Aryya Gangopadhyay, Seyed H. Mohammadi, Vandana Pu...
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    Multiple Kernel Clustering.
    16 years 24 days ago
    Multiple Kernel Clustering.
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    Maximum margin clustering (MMC) has recently attracted considerable interests in both the data mining and machine learning communities. It first projects data samples to a kernel...
    Bin Zhao, James T. Kwok, Changshui Zhang
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    On the Comparison of Relative Clustering Validity Criteria.
    16 years 24 days ago
    On the Comparison of Relative Clustering Validity Criteria.
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    Many different relative clustering validity criteria exist that are very useful in practice as quantitative measures for evaluating the quality of data partitions, and new criter...
    Lucas Vendramin, Ricardo J. G. B. Campello, Eduard...
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    A Re-evaluation of the Over-Searching Phenomenon in Inductive Rule Learning.
    16 years 24 days ago
    A Re-evaluation of the Over-Searching Phenomenon in Inductive Rule Learning.
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    Most commonly used inductive rule learning algorithms employ a hill-climbing search, whereas local pattern discovery algorithms employ exhaustive search. In this paper, we evaluat...
    Frederik Janssen, Johannes Fürnkranz
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