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    Non-negative Matrix Factorization, Convexity and Isometry.
    15 years 7 months 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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    144views Data Mining» more  SDM 2009»
    CORE: Nonparametric Clustering of Large Numeric Databases.
    15 years 7 months ago
    CORE: Nonparametric Clustering of Large Numeric Databases.
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    Current clustering techniques are able to identify arbitrarily shaped clusters in the presence of noise, but depend on carefully chosen model parameters. The choice of model param...
    Andrej Taliun, Arturas Mazeika, Michael H. Bö...
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    125views Data Mining» more  SDM 2009»
    Identifying Unsafe Routes for Network-Based Trajectory Privacy.
    15 years 7 months ago
    Identifying Unsafe Routes for Network-Based Trajectory Privacy.
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    In this paper, we propose a privacy model that offers trajectory privacy to the requesters of Location-Based Services (LBSs), by utilizing an underlying network of user movement. ...
    Aris Gkoulalas-Divanis, Mohamed F. Mokbel, Vassili...
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    Diversity-Based Weighting Schemes for Clustering Ensembles.
    15 years 7 months ago
    Diversity-Based Weighting Schemes for Clustering Ensembles.
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    Clustering ensembles has been recently recognized as an emerging approach to provide more robust solutions to the data clustering problem. Current methods of clustering ensembles ...
    Andrea Tagarelli, Francesco Gullo, Sergio Greco
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    2009
    SIAM
    185views Data Mining» more  SDM 2009»
    Understanding Importance of Collaborations in Co-authorship Networks: A Supportiveness Analysis Approach.
    15 years 7 months ago
    Understanding Importance of Collaborations in Co-authorship Networks: A Supportiveness Analysis Approach.
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    Co-authorship networks, an important type of social networks, have been studied extensively from various angles such as degree distribution analysis, social community extraction a...
    Bin Zhou 0002, Jian Pei, Yan Jia, Yi Han
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