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    NIPS
    2008
    161views Information Technology» more  NIPS 2008»
    Relative Performance Guarantees for Approximate Inference in Latent Dirichlet Allocation
    13 years 9 months ago
    Relative Performance Guarantees for Approximate Inference in Latent Dirichlet Allocation
    Download  www.cs.princeton.edu
    Hierarchical probabilistic modeling of discrete data has emerged as a powerful tool for text analysis. Posterior inference in such models is intractable, and practitioners rely on...
    Indraneel Mukherjee, David M. Blei
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    NIPS
    2007
    134views Information Technology» more  NIPS 2007»
    Convex Clustering with Exemplar-Based Models
    13 years 9 months ago
    Convex Clustering with Exemplar-Based Models
    Download  people.csail.mit.edu
    Clustering is often formulated as the maximum likelihood estimation of a mixture model that explains the data. The EM algorithm widely used to solve the resulting optimization pro...
    Danial Lashkari, Polina Golland
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    RIAO
    2007
    120views Information Technology» more  RIAO 2007»
    Discriminative Fields for Modeling Semantic Concepts in Video
    13 years 9 months ago
    Discriminative Fields for Modeling Semantic Concepts in Video
    Download  www.informedia.cs.cmu.edu
    According to some current thinking, a very large number of semantic concepts could provide researcher a novel way to characterize video and be utilized for video retrieval and und...
    Ming-yu Chen, Alexander G. Hauptmann
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    NAACL
    2003
    75views Computational Linguistics» more  NAACL 2003»
    Supervised and unsupervised PCFG adaptation to novel domains
    13 years 9 months ago
    Supervised and unsupervised PCFG adaptation to novel domains
    Download  acl.ldc.upenn.edu
    This paper investigates adapting a lexicalized probabilistic context-free grammar (PCFG) to a novel domain, using maximum a posteriori (MAP) estimation. The MAP framework is gener...
    Brian Roark, Michiel Bacchiani
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    UAI
    2003
    104views Artificial Intelligence» more  UAI 2003»
    Renewal Strings for Cleaning Astronomical Databases
    13 years 9 months ago
    Renewal Strings for Cleaning Astronomical Databases
    Download  homepages.inf.ed.ac.uk
    Large astronomical databases obtained from sky surveys such as the SuperCOSMOS Sky Surveys (SSS) invariably suffer from spurious records coming from artefactual effects of the t...
    Amos J. Storkey, Nigel C. Hambly, Christopher K. I...
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