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    EWCBR
    2006
    Springer
    89views Automated Reasoning» more  EWCBR 2006»
    Unsupervised Feature Selection for Text Data
    13 years 8 months ago
    Unsupervised Feature Selection for Text Data
    Download  www.comp.rgu.ac.uk
    Feature selection for unsupervised tasks is particularly challenging, especially when dealing with text data. The increase in online documents and email communication creates a nee...
    Nirmalie Wiratunga, Robert Lothian, Stewart Massie
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    ICCV
    2003
    IEEE
    131views Computer Vision» more  ICCV 2003»
    Feature Selection for Unsupervised and Supervised Inference: the Emergence of Sparsity in a Weighted-based Approach
    14 years 6 months ago
    Feature Selection for Unsupervised and Supervised Inference: the Emergence of Sparsity in a Weighted-based Approach
    Download  www.cs.huji.ac.il
    The problem of selecting a subset of relevant features in a potentially overwhelming quantity of data is classic and found in many branches of science. Examples in computer vision...
    Lior Wolf, Amnon Shashua
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    COLING
    2008
    156views Computational Linguistics» more  COLING 2008»
    The Choice of Features for Classification of Verbs in Biomedical Texts
    13 years 6 months ago
    The Choice of Features for Classification of Verbs in Biomedical Texts
    Download  www.cl.cam.ac.uk
    We conduct large-scale experiments to investigate optimal features for classification of verbs in biomedical texts. We introduce a range of feature sets and associated extraction ...
    Anna Korhonen, Yuval Krymolowski, Nigel Collier
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    COLING
    2008
    151views Computational Linguistics» more  COLING 2008»
    Automatic Seed Word Selection for Unsupervised Sentiment Classification of Chinese Text
    13 years 6 months ago
    Automatic Seed Word Selection for Unsupervised Sentiment Classification of Chinese Text
    Download  www.aclweb.org
    We describe and evaluate a new method of automatic seed word selection for unsupervised sentiment classification of product reviews in Chinese. The whole method is unsupervised an...
    Taras Zagibalov, John Carroll
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    KDD
    2008
    ACM
    130views Data Mining» more  KDD 2008»
    Unsupervised feature selection for principal components analysis
    14 years 5 months ago
    Unsupervised feature selection for principal components analysis
    Download  www.cs.rpi.edu
    Christos Boutsidis, Michael W. Mahoney, Petros Dri...
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