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    » Mining autograding data in computer science education
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    SDM
    2009
    SIAM
    152views Data Mining» more  SDM 2009»
    Non-negative Matrix Factorization, Convexity and Isometry.
    15 years 6 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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    SDM
    2009
    SIAM
    125views Data Mining» more  SDM 2009»
    Identifying Unsafe Routes for Network-Based Trajectory Privacy.
    15 years 6 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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    SDM
    2009
    SIAM
    162views Data Mining» more  SDM 2009»
    Diversity-Based Weighting Schemes for Clustering Ensembles.
    15 years 6 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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    SDM
    2009
    SIAM
    118views Data Mining» more  SDM 2009»
    Finding Links and Initiators: A Graph-Reconstruction Problem.
    15 years 6 months ago
    Finding Links and Initiators: A Graph-Reconstruction Problem.
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    Consider a 0–1 observation matrix M, where rows correspond to entities and columns correspond to signals; a value of 1 (or 0) in cell (i, j) of M indicates that signal j has bee...
    Evimaria Terzi, Heikki Mannila
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    HYPERTEXT
    2009
    ACM
    105views Internet Technology» more  HYPERTEXT 2009»
    The dynamics of personal territories on the web
    15 years 6 months ago
    The dynamics of personal territories on the web
    Download  thomas.beauvisage.free.fr
    In this paper, we present a long-term study of user-centric Web traffic data collected in 2000-2002 and 2005-2006 from two large representative panels of French Internet users. Ou...
    Thomas Beauvisage
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