369 search results - page 55 / 74 » An Improved Generalized Discriminant Analysis for Large-Scal... |
116
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KDD
2012
ACM
13 years 2 months ago
2012
ACM
The problem of efficiently finding the best match for a query in a given set with respect to the Euclidean distance or the cosine similarity has been extensively studied. However...
IDA
2007
Springer
14 years 11 months ago
2007
Springer
Unsupervised sequence learning is important to many applications. A learner is presented with unlabeled sequential data, and must discover sequential patterns that characterize th...
111
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SIGIR
2005
ACM
15 years 5 months ago
2005
ACM
Latent semantic indexing (LSI) is a well-known unsupervised approach for dimensionality reduction in information retrieval. However if the output information (i.e. category labels...
100
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CIKM
2008
Springer
15 years 1 months ago
2008
Springer
Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can p...
ICCV
2009
IEEE
14 years 9 months ago
2009
IEEE
We propose a subspace learning algorithm for face recognition by directly optimizing recognition performance scores. Our approach is motivated by the following observations: 1) Di...