4795 search results - page 549 / 959 » The Message Classification Model |
164
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Topic models such as aspect model or LDA have been shown as a promising approach for text modeling. Unlike many previous models that restrict each document to a single topic, topi...
170
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ICCV
2007
IEEE
16 years 8 months ago
2007
IEEE
We extend the "Sparse LDA" algorithm of [7] with new sparsity bounds on 2-class separability and efficient partitioned matrix inverse techniques leading to 1000-fold spe...
171
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MICCAI
2006
Springer
16 years 7 months ago
2006
Springer
Abstract. The support vector domain description is a one-class classification method that estimates the shape and extent of the distribution of a data set. This separates the data ...
162
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ICML
2003
IEEE
16 years 7 months ago
2003
IEEE
We consider the problem of unsupervised learning from a matrix of data vectors where in each row the observed values are randomly permuted in an unknown fashion. Such problems ari...
277
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ICML
2003
IEEE
16 years 7 months ago
2003
IEEE
An approach to semi-supervised learning is proposed that is based on a Gaussian random field model. Labeled and unlabeled data are represented as vertices in a weighted graph, wit...