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    COLING
    2008
    169views Computational Linguistics» more  COLING 2008»
    Detecting Multiple Facets of an Event using Graph-Based Unsupervised Methods
    14 years 11 months ago
    Detecting Multiple Facets of an Event using Graph-Based Unsupervised Methods
    Download  clair.si.umich.edu
    We propose a new unsupervised method for topic detection that automatically identifies the different facets of an event. We use pointwise Kullback-Leibler divergence along with th...
    Pradeep Muthukrishnan, Joshua Gerrish, Dragomir R....
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    NIPS
    2008
    207views Information Technology» more  NIPS 2008»
    DiscLDA: Discriminative Learning for Dimensionality Reduction and Classification
    14 years 11 months ago
    DiscLDA: Discriminative Learning for Dimensionality Reduction and Classification
    Download  www.cs.berkeley.edu
    Probabilistic topic models have become popular as methods for dimensionality reduction in collections of text documents or images. These models are usually treated as generative m...
    Simon Lacoste-Julien, Fei Sha, Michael I. Jordan
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    COGSCI
    2008
    65views more  COGSCI 2008»
    A Survey of Model Evaluation Approaches With a Tutorial on Hierarchical Bayesian Methods
    14 years 10 months ago
    A Survey of Model Evaluation Approaches With a Tutorial on Hierarchical Bayesian Methods
    Download  www.socsci.uci.edu
    We review current methods for evaluating models in the cognitive sciences, including theoretically-based approaches, such as Bayes Factors and MDL measures, simulation approaches,...
    Richard M. Shiffrin, Michael D. Lee, Woojae Kim, E...
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    SIGIR
    2002
    ACM
    124views Information Technology» more  SIGIR 2002»
    Risk minimization and language modeling in text retrieval dissertation abstract
    14 years 9 months ago
    Risk minimization and language modeling in text retrieval dissertation abstract
    Download  www.sigir.org
    tion Abstract ChengXiang Zhai (Advisor: John Lafferty) Language Technologies Institute School of Computer Science Carnegie Mellon University With the dramatic increase in online in...
    ChengXiang Zhai
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    TSMC
    2002
    112views more  TSMC 2002»
    A method for evaluating elicitation schemes for probabilistic models
    14 years 9 months ago
    A method for evaluating elicitation schemes for probabilistic models
    Download  www.pitt.edu
    We present an objective approach for evaluating probability and structure elicitation methods in probabilistic models. The main idea is to use the model derived from the experts�...
    Haiqin Wang, Denver Dash, Marek J. Druzdzel
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