1746 search results - page 226 / 350 » Hierarchical Unsupervised Learning |
170
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CVPR
2012
IEEE
13 years 6 months ago
2012
IEEE
The choice of the over-complete dictionary that sparsely represents data is of prime importance for sparse codingbased image super-resolution. Sparse coding is a typical unsupervi...
164
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ACL
2012
13 years 6 months ago
2012
Unsupervised word representations are very useful in NLP tasks both as inputs to learning algorithms and as extra word features in NLP systems. However, most of these models are b...
100
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ICTAI
2008
IEEE
15 years 10 months ago
2008
IEEE
Analyzing spend transactions is essential to organizations for understanding their global procurement. Central to this analysis is the automated classification of these transacti...
145
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DAGSTUHL
2007
15 years 5 months ago
2007
The ways in which an agent’s actions affect the world can often be modeled compactly using a set of relational probabilistic planning rules. This paper addresses the problem of ...
168
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COLING
2002
15 years 4 months ago
2002
In order to respond correctly to a free form factual question given a large collection of texts, one needs to understand the question to a level that allows determining some of th...